21 Koshi Arai
Koshi Arai
  • Height:
    5’7
  • Weight:
    155
  • Hometown:
    Gunma, Japan
  • Position:
    LHP
  • Year:
    Freshman
  • Bats/Throws:
    L/L
  • High School:
    Tokyo Japan
  • app
    15
  • gs
    4
  • w
    1
  • l
    3
  • sv
    0
  • ip
    40.2
  • era
    4.43
  • whip
    1.30
  • k
    20

Bio

What sport would you have played if you didn't choose to play the sport you are participating in at Pierce College?
Basketball

Where is one place you would love to travel?
Florida

What is your dream job?
Japanese professional baseball player

If you had a time machine, would you go back in time or would you go into the future, and why?
I want to go back in time because I want to practice baseball more, and I want to spent time with my family.

If you could invite ANYONE to dinner, who would it be?
Shohei Ohtani

What do you like to do in your free time?
Study English, watch movies, take naps

Do you have any hidden talents? If so, what are they?
I can sing

Player Profile

Recent Games
May 9 Clark W, 11-4
May 9 Clark W, 5-3
May 15 Mt Hood W, 11-1
May 16 Mt Hood W, 8-2
May 21 vs. Everett L, 11-5
May 22 vs. Linn-Benton L, 5-0
  Overall Conf
Games 15 7
Plate appearances 0 0
At Bats 0 0
Runs 0 0
Hits 0 0
Doubles - -
Triples - -
Home Runs - -
Runs Batted In 0 0
Total bases 0 0
Walks - -
Hit by pitch - -
Strikeouts - -
Sacrifice Flies - -
Sacrifice Hits - -
Hit into double play - -
Stolen Bases - -
Caught Stealing - -
Batting Average - -
On Base Percentage - -
Slugging Percentage - -
Appearances 15 7
Games started 4 0
Wins 1 1
Losses 3 0
Saves 0 0
Complete Games - -
Shutouts - -
Innings Pitched 40.2 20.1
Hits 41 16
Runs 20 7
Earned Runs 20 7
Walks 12 3
Strikeouts 20 7
Strikeouts per Game 4.43 3.10
Doubles Allowed 7 3
Triples Allowed 2 -
WHIP 1.30 .93
Home Runs Allows 3 1
At Bats Against 151 70
Batting Average Against .272 .229
Earned Run Average 4.43 3.10
Wild pitches 2 -
Hit Batters 8 3
Balks - -
Sacrifice Flies Allowed 5 2
Sacrifice Hits Allowed 1 -
Total Chances 9 0
Put Outs 1 0
Assists 7 0
Errors 1 0
Fielding Percentage .889 -
Double Plays - -
Stolen Bases Allowed 1 1
Runners Caught Stealing 2 2
Runners Caught Stealing Percentage .667 .667
Passed Balls - -
Catcher's Interference - -

Game Log - Hitting

Date Opponent Score ab r h 2b 3b hr rbi bb k sb cs
Feb 15 at Shoreline L, 12-11 - - - - - - - - - - -
Feb 15 at Shoreline W, 15-3 - - - - - - - - - - -
Feb 16 Shoreline W, 17-10 - - - - - - - - - - -
Feb 16 Shoreline W, 5-4 0 0 0 - - - 0 - - - -
Feb 19 Skagit Valley L, 5-3 - - - - - - - - - - -
Feb 19 Skagit Valley W, 7-1 - - - - - - - - - - -
Feb 22 Skagit Valley W, 8-2 - - - - - - - - - - -
Feb 22 Skagit Valley W, 3-2 0 0 0 - - - 0 - - - -
Feb 28 Everett L, 5-0 - - - - - - - - - - -
Feb 28 Everett L, 12-4 - - - - - - - - - - -
Mar 1 at Everett L, 9-2 - - - - - - - - - - -
Mar 1 at Everett L, 11-3 0 0 0 - - - 0 - - - -
Mar 7 at Bellevue L, 9-8 - - - - - - - - - - -
Mar 7 at Bellevue L, 6-5 - - - - - - - - - - -
Mar 8 Bellevue L, 20-8 0 0 0 - - - 0 - - - -
Mar 8 Bellevue W, 5-4 - - - - - - - - - - -
Mar 15 Bellevue W, 3-1 - - - - - - - - - - -
Mar 15 Bellevue L, 8-7 - - - - - - - - - - -
Mar 20 at Wenatchee Valley W, 12-4 - - - - - - - - - - -
Mar 20 at Wenatchee Valley L, 4-3 0 0 0 - - - 0 - - - -
Mar 21 at Wenatchee Valley W, 3-1 - - - - - - - - - - -
Mar 21 at Wenatchee Valley L, 2-1 - - - - - - - - - - -
Mar 26 Lower Columbia L, 4-1 - - - - - - - - - - -
Mar 26 Lower Columbia L, 6-1 - - - - - - - - - - -
Mar 28 at Lower Columbia L, 7-0 0 0 0 - - - 0 - - - -
Mar 28 at Lower Columbia L, 2-1 - - - - - - - - - - -
Apr 2 at Tacoma W, 7-5 - - - - - - - - - - -
Apr 2 at Tacoma L, 8-7 0 0 0 - - - 0 - - - -
Apr 4 Tacoma W, 10-0 - - - - - - - - - - -
Apr 4 Tacoma W, 12-2 - - - - - - - - - - -
Apr 9 at Grays Harbor W, 9-4 - - - - - - - - - - -
Apr 9 at Grays Harbor W, 19-1 - - - - - - - - - - -
Apr 11 Grays Harbor W, 12-2 0 0 0 - - - 0 - - - -
Apr 11 Grays Harbor W, 12-1 - - - - - - - - - - -
Apr 16 at Centralia W, 5-2 - - - - - - - - - - -
Apr 16 at Centralia W, 16-0 - - - - - - - - - - -
Apr 18 Centralia W, 8-4 0 0 0 - - - 0 - - - -
Apr 18 Centralia W, 8-0 - - - - - - - - - - -
Apr 30 Olympic W, 11-6 0 0 0 - - - 0 - - - -
Apr 30 Olympic L, 7-4 - - - - - - - - - - -
May 2 at Olympic W, 9-2 - - - - - - - - - - -
May 2 at Olympic W, 6-3 0 0 0 - - - 0 - - - -
May 7 at Clark L, 4-2 - - - - - - - - - - -
May 7 at Clark L, 1-0 0 0 0 - - - 0 - - - -
May 9 Clark W, 11-4 - - - - - - - - - - -
May 9 Clark W, 5-3 - - - - - - - - - - -
May 15 Mt Hood W, 11-1 0 0 0 - - - 0 - - - -
May 16 Mt Hood W, 8-2 0 0 0 - - - 0 - - - -
May 21 vs. Everett L, 11-5 - - - - - - - - - - -
May 22 vs. Linn-Benton L, 5-0 0 0 0 - - - 0 - - - -

Game Log - Extended Hitting

Date Opponent Score hbp sf sh tb xbh hdp go fo go/fo pa
Feb 15 at Shoreline L, 12-11 - - - - - - - - - -
Feb 15 at Shoreline W, 15-3 - - - - - - - - - -
Feb 16 Shoreline W, 17-10 - - - - - - - - - -
Feb 16 Shoreline W, 5-4 - - - 0 0 - - - - 0
Feb 19 Skagit Valley L, 5-3 - - - - - - - - - -
Feb 19 Skagit Valley W, 7-1 - - - - - - - - - -
Feb 22 Skagit Valley W, 8-2 - - - - - - - - - -
Feb 22 Skagit Valley W, 3-2 - - - 0 0 - - - - 0
Feb 28 Everett L, 5-0 - - - - - - - - - -
Feb 28 Everett L, 12-4 - - - - - - - - - -
Mar 1 at Everett L, 9-2 - - - - - - - - - -
Mar 1 at Everett L, 11-3 - - - 0 0 - - - - 0
Mar 7 at Bellevue L, 9-8 - - - - - - - - - -
Mar 7 at Bellevue L, 6-5 - - - - - - - - - -
Mar 8 Bellevue L, 20-8 - - - 0 0 - - - - 0
Mar 8 Bellevue W, 5-4 - - - - - - - - - -
Mar 15 Bellevue W, 3-1 - - - - - - - - - -
Mar 15 Bellevue L, 8-7 - - - - - - - - - -
Mar 20 at Wenatchee Valley W, 12-4 - - - - - - - - - -
Mar 20 at Wenatchee Valley L, 4-3 - - - 0 0 - - - - 0
Mar 21 at Wenatchee Valley W, 3-1 - - - - - - - - - -
Mar 21 at Wenatchee Valley L, 2-1 - - - - - - - - - -
Mar 26 Lower Columbia L, 4-1 - - - - - - - - - -
Mar 26 Lower Columbia L, 6-1 - - - - - - - - - -
Mar 28 at Lower Columbia L, 7-0 - - - 0 0 - - - - 0
Mar 28 at Lower Columbia L, 2-1 - - - - - - - - - -
Apr 2 at Tacoma W, 7-5 - - - - - - - - - -
Apr 2 at Tacoma L, 8-7 - - - 0 0 - - - - 0
Apr 4 Tacoma W, 10-0 - - - - - - - - - -
Apr 4 Tacoma W, 12-2 - - - - - - - - - -
Apr 9 at Grays Harbor W, 9-4 - - - - - - - - - -
Apr 9 at Grays Harbor W, 19-1 - - - - - - - - - -
Apr 11 Grays Harbor W, 12-2 - - - 0 0 - - - - 0
Apr 11 Grays Harbor W, 12-1 - - - - - - - - - -
Apr 16 at Centralia W, 5-2 - - - - - - - - - -
Apr 16 at Centralia W, 16-0 - - - - - - - - - -
Apr 18 Centralia W, 8-4 - - - 0 0 - - - - 0
Apr 18 Centralia W, 8-0 - - - - - - - - - -
Apr 30 Olympic W, 11-6 - - - 0 0 - - - - 0
Apr 30 Olympic L, 7-4 - - - - - - - - - -
May 2 at Olympic W, 9-2 - - - - - - - - - -
May 2 at Olympic W, 6-3 - - - 0 0 - - - - 0
May 7 at Clark L, 4-2 - - - - - - - - - -
May 7 at Clark L, 1-0 - - - 0 0 - - - - 0
May 9 Clark W, 11-4 - - - - - - - - - -
May 9 Clark W, 5-3 - - - - - - - - - -
May 15 Mt Hood W, 11-1 - - - 0 0 - - - - 0
May 16 Mt Hood W, 8-2 - - - 0 0 - - - - 0
May 21 vs. Everett L, 11-5 - - - - - - - - - -
May 22 vs. Linn-Benton L, 5-0 - - - 0 0 - - - - 0

Game Log - Pitching

Date Opponent Score gs w l sv ip h r er era whip bb k hr
Feb 15 at Shoreline L, 12-11 - - - - - - - - - - - - -
Feb 15 at Shoreline W, 15-3 - - - - - - - - - - - - -
Feb 16 Shoreline W, 17-10 - - - - - - - - - - - - -
Feb 16 Shoreline W, 5-4 1 0 0 0 6.0 5 1 1 1.50 1.00 1 3 -
Feb 19 Skagit Valley L, 5-3 - - - - - - - - - - - - -
Feb 19 Skagit Valley W, 7-1 - - - - - - - - - - - - -
Feb 22 Skagit Valley W, 8-2 - - - - - - - - - - - - -
Feb 22 Skagit Valley W, 3-2 1 0 0 0 3.1 1 2 2 5.40 1.50 4 3 -
Feb 28 Everett L, 5-0 - - - - - - - - - - - - -
Feb 28 Everett L, 12-4 - - - - - - - - - - - - -
Mar 1 at Everett L, 9-2 - - - - - - - - - - - - -
Mar 1 at Everett L, 11-3 1 0 1 0 3.0 7 4 4 12.00 2.33 0 0 1
Mar 7 at Bellevue L, 9-8 - - - - - - - - - - - - -
Mar 7 at Bellevue L, 6-5 - - - - - - - - - - - - -
Mar 8 Bellevue L, 20-8 1 0 1 0 2.2 6 5 5 16.88 3.38 3 2 1
Mar 8 Bellevue W, 5-4 - - - - - - - - - - - - -
Mar 15 Bellevue W, 3-1 - - - - - - - - - - - - -
Mar 15 Bellevue L, 8-7 - - - - - - - - - - - - -
Mar 20 at Wenatchee Valley W, 12-4 - - - - - - - - - - - - -
Mar 20 at Wenatchee Valley L, 4-3 0 0 1 0 3.0 5 1 1 3.00 1.67 - 2 -
Mar 21 at Wenatchee Valley W, 3-1 - - - - - - - - - - - - -
Mar 21 at Wenatchee Valley L, 2-1 - - - - - - - - - - - - -
Mar 26 Lower Columbia L, 4-1 - - - - - - - - - - - - -
Mar 26 Lower Columbia L, 6-1 - - - - - - - - - - - - -
Mar 28 at Lower Columbia L, 7-0 0 0 0 0 6.1 6 5 5 7.11 1.11 1 3 1
Mar 28 at Lower Columbia L, 2-1 - - - - - - - - - - - - -
Apr 2 at Tacoma W, 7-5 - - - - - - - - - - - - -
Apr 2 at Tacoma L, 8-7 0 0 0 0 3.1 2 - - 0.00 .90 1 2 -
Apr 4 Tacoma W, 10-0 - - - - - - - - - - - - -
Apr 4 Tacoma W, 12-2 - - - - - - - - - - - - -
Apr 9 at Grays Harbor W, 9-4 - - - - - - - - - - - - -
Apr 9 at Grays Harbor W, 19-1 - - - - - - - - - - - - -
Apr 11 Grays Harbor W, 12-2 0 0 0 0 3.1 2 - - 0.00 .60 - 0 -
Apr 11 Grays Harbor W, 12-1 - - - - - - - - - - - - -
Apr 16 at Centralia W, 5-2 - - - - - - - - - - - - -
Apr 16 at Centralia W, 16-0 - - - - - - - - - - - - -
Apr 18 Centralia W, 8-4 0 0 0 0 4.1 3 2 2 4.15 .69 - 1 -
Apr 18 Centralia W, 8-0 - - - - - - - - - - - - -
Apr 30 Olympic W, 11-6 0 1 0 0 2.1 3 - - 0.00 1.29 - 1 -
Apr 30 Olympic L, 7-4 - - - - - - - - - - - - -
May 2 at Olympic W, 9-2 - - - - - - - - - - - - -
May 2 at Olympic W, 6-3 0 0 0 0 0.1 - - - 0.00 3.00 1 0 -
May 7 at Clark L, 4-2 - - - - - - - - - - - - -
May 7 at Clark L, 1-0 0 0 0 0 0.1 - - - 0.00 - - 0 -
May 9 Clark W, 11-4 - - - - - - - - - - - - -
May 9 Clark W, 5-3 - - - - - - - - - - - - -
May 15 Mt Hood W, 11-1 0 0 0 0 1.0 1 - - 0.00 1.00 - 1 -
May 16 Mt Hood W, 8-2 0 0 0 0 0.2 - - - 0.00 1.50 1 1 -
May 21 vs. Everett L, 11-5 - - - - - - - - - - - - -
May 22 vs. Linn-Benton L, 5-0 0 0 0 0 0.2 - - - 0.00 - - 1 -

Game Log - Fielding

Date Opponent Score tc po a e fpct dp sba rcs rcs% pb ci
Feb 15 at Shoreline L, 12-11 - - - - - - - - - - -
Feb 15 at Shoreline W, 15-3 - - - - - - - - - - -
Feb 16 Shoreline W, 17-10 - - - - - - - - - - -
Feb 16 Shoreline W, 5-4 4 0 4 0 1.000 - - - - - -
Feb 19 Skagit Valley L, 5-3 - - - - - - - - - - -
Feb 19 Skagit Valley W, 7-1 - - - - - - - - - - -
Feb 22 Skagit Valley W, 8-2 - - - - - - - - - - -
Feb 22 Skagit Valley W, 3-2 4 1 2 1 .750 - - - - - -
Feb 28 Everett L, 5-0 - - - - - - - - - - -
Feb 28 Everett L, 12-4 - - - - - - - - - - -
Mar 1 at Everett L, 9-2 - - - - - - - - - - -
Mar 1 at Everett L, 11-3 1 0 1 0 1.000 - - - - - -
Mar 7 at Bellevue L, 9-8 - - - - - - - - - - -
Mar 7 at Bellevue L, 6-5 - - - - - - - - - - -
Mar 8 Bellevue L, 20-8 0 0 0 0 - - - - - - -
Mar 8 Bellevue W, 5-4 - - - - - - - - - - -
Mar 15 Bellevue W, 3-1 - - - - - - - - - - -
Mar 15 Bellevue L, 8-7 - - - - - - - - - - -
Mar 20 at Wenatchee Valley W, 12-4 - - - - - - - - - - -
Mar 20 at Wenatchee Valley L, 4-3 0 0 0 0 - - - - - - -
Mar 21 at Wenatchee Valley W, 3-1 - - - - - - - - - - -
Mar 21 at Wenatchee Valley L, 2-1 - - - - - - - - - - -
Mar 26 Lower Columbia L, 4-1 - - - - - - - - - - -
Mar 26 Lower Columbia L, 6-1 - - - - - - - - - - -
Mar 28 at Lower Columbia L, 7-0 0 0 0 0 - - 1 1 .500 - -
Mar 28 at Lower Columbia L, 2-1 - - - - - - - - - - -
Apr 2 at Tacoma W, 7-5 - - - - - - - - - - -
Apr 2 at Tacoma L, 8-7 0 0 0 0 - - - - - - -
Apr 4 Tacoma W, 10-0 - - - - - - - - - - -
Apr 4 Tacoma W, 12-2 - - - - - - - - - - -
Apr 9 at Grays Harbor W, 9-4 - - - - - - - - - - -
Apr 9 at Grays Harbor W, 19-1 - - - - - - - - - - -
Apr 11 Grays Harbor W, 12-2 0 0 0 0 - - - 1 1.000 - -
Apr 11 Grays Harbor W, 12-1 - - - - - - - - - - -
Apr 16 at Centralia W, 5-2 - - - - - - - - - - -
Apr 16 at Centralia W, 16-0 - - - - - - - - - - -
Apr 18 Centralia W, 8-4 0 0 0 0 - - - - - - -
Apr 18 Centralia W, 8-0 - - - - - - - - - - -
Apr 30 Olympic W, 11-6 0 0 0 0 - - - - - - -
Apr 30 Olympic L, 7-4 - - - - - - - - - - -
May 2 at Olympic W, 9-2 - - - - - - - - - - -
May 2 at Olympic W, 6-3 0 0 0 0 - - - - - - -
May 7 at Clark L, 4-2 - - - - - - - - - - -
May 7 at Clark L, 1-0 0 0 0 0 - - - - - - -
May 9 Clark W, 11-4 - - - - - - - - - - -
May 9 Clark W, 5-3 - - - - - - - - - - -
May 15 Mt Hood W, 11-1 0 0 0 0 - - - - - - -
May 16 Mt Hood W, 8-2 0 0 0 0 - - - - - - -
May 21 vs. Everett L, 11-5 - - - - - - - - - - -
May 22 vs. Linn-Benton L, 5-0 0 0 0 0 - - - - - - -

Career Stats - Hitting

  g ab r h 2b 3b hr rbi bb k sb cs avg obp slg
2024-25 - - - - - - - - - - - - - - -
2025-26 15 0 0 0 - - - 0 - - - - - - -
Total 15 0 0 0 - - - 0 - - - - - - -

Career Stats - Extended Hitting

  g hbp sf sh tb xbh hdp go fo go/fo pa
2024-25 - - - - 0 0 - - - - 0
2025-26 15 - - - 0 0 - - - - 0
Total 15 - - - 0 0 - - - - 0

Career Stats - Pitching

  app gs w l sv cg ip h r er bb k k/9 hr era whip
2024-25 - - - - - - 0.0 - - - - 0 .00 - 0.00 -
2025-26 15 4 1 3 0 - 40.2 41 20 20 12 20 4.43 3 4.43 1.30
Total 15 4 1 3 0 - 40.2 41 20 20 12 20 4.43 3 4.43 1.30

Career Stats - Fielding

  g tc po a e fpct dp sba rcs rcs% pb ci
2024-25 - 0 - - - - - - - - - -
2025-26 15 9 1 7 1 .889 - 1 2 .667 - -
Total 15 9 1 7 1 .889 - 1 2 .667 - -

Splits Stats - Hitting

    g ab r h 2b 3b hr rbi bb k sb cs avg obp slg
Event Total 15 0 0 0 - - - 0 - - - - - - -
Conference 7 0 0 0 - - - 0 - - - - - - -
Exhibition - - - - - - - - - - - - - - -
Location Home 8 0 0 0 - - - 0 - - - - - - -
Away 6 0 0 0 - - - 0 - - - - - - -
Neutral 1 0 0 0 - - - 0 - - - - - - -
Result Wins 8 0 0 0 - - - 0 - - - - - - -
Losses 7 0 0 0 - - - 0 - - - - - - -
Month February 2 0 0 0 - - - 0 - - - - - - -
March 4 0 0 0 - - - 0 - - - - - - -
April 4 0 0 0 - - - 0 - - - - - - -
May 5 0 0 0 - - - 0 - - - - - - -

Splits Stats - Extended Hitting

    g hbp sf sh tb xbh hdp go fo go/fo pa
Event Total 15 - - - 0 0 - - - - 0
Conference 7 - - - 0 0 - - - - 0
Exhibition - - - - 0 0 - - - - 0
Location Home 8 - - - 0 0 - - - - 0
Away 6 - - - 0 0 - - - - 0
Neutral 1 - - - 0 0 - - - - 0
Result Wins 8 - - - 0 0 - - - - 0
Losses 7 - - - 0 0 - - - - 0
Month February 2 - - - 0 0 - - - - 0
March 4 - - - 0 0 - - - - 0
April 4 - - - 0 0 - - - - 0
May 5 - - - 0 0 - - - - 0

Splits Stats - Pitching

    app gs w l sv cg ip h r er bb k k/9 hr era whip
Event Total 15 4 1 3 0 - 40.2 41 20 20 12 20 4.43 3 4.43 1.30
Conference 7 0 1 0 0 - 20.1 16 7 7 3 7 3.10 1 3.10 .93
Exhibition - - - - - - 0.0 - - - - 0 .00 - 0.00 -
Location Home 8 3 1 1 0 - 23.2 21 10 10 9 12 4.56 1 3.80 1.27
Away 6 1 0 2 0 - 16.1 20 10 10 3 7 3.86 2 5.51 1.41
Neutral 1 0 0 0 0 - 0.2 - - - - 1 13.50 - 0.00 -
Result Wins 8 2 1 0 0 - 21.1 15 5 5 7 10 4.22 - 2.11 1.03
Losses 7 2 0 3 0 - 19.1 26 15 15 5 10 4.66 3 6.98 1.60
Month February 2 2 0 0 0 - 9.1 6 3 3 5 6 5.79 - 2.89 1.18
March 4 2 0 3 0 - 15.0 24 15 15 4 7 4.20 3 9.00 1.87
April 4 0 1 0 0 - 13.1 10 2 2 1 4 2.70 - 1.35 .82
May 5 0 0 0 0 - 3.0 1 - - 2 3 9.00 - 0.00 1.00

Splits Stats - Fielding

    g tc po a e fpct dp sba rcs rcs% pb ci
Event Total 15 9 1 7 1 .889 - 1 2 .667 - -
Conference 7 0 0 0 0 - - 1 2 .667 - -
Exhibition - 0 - - - - - - - - - -
Location Home 8 8 1 6 1 .875 - - 1 1.000 - -
Away 6 1 0 1 0 1.000 - 1 1 .500 - -
Neutral 1 0 0 0 0 - - - - - - -
Result Wins 8 8 1 6 1 .875 - - 1 1.000 - -
Losses 7 1 0 1 0 1.000 - 1 1 .500 - -
Month February 2 8 1 6 1 .875 - - - - - -
March 4 1 0 1 0 1.000 - 1 1 .500 - -
April 4 0 0 0 0 - - - 1 1.000 - -
May 5 0 0 0 0 - - - - - - -