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Tatsuya Imai

#45 - Relief Pitcher

Houston Astros

Bats / Throws Right / Right
Date of Birth 5/9/1998 (28)
Height, Weight 5'11", 176 lb
Hometown Kanuma, JPN

2026 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 70.2 5.35 1.47 27.7% 15.0%
216th 3
Sv
39th 46.0
IP
277th 4.22
ERA
257th 1.34
WHIP
61st 22.5%
K%
327th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
94.8 14.1% 29.7% 47.6% 5.6% 4.65 5.23
171st 94.6
FB MPH
88th 12.2%
SwStr%
117th 28.5%
CSW%
300th 51.1%
Str-ICR
253rd 4.7%
MTK%
339th 4.94
PLV
346th 3.51
PLA
Holds List
Rank
126th
x3
x1
x2

Articles

8/25/2026Top 100 Starting Pitchers For 2026 Fantasy Baseball 8/25: Week 23 RankingsNick Pollack

8/21/2026Fantasy Baseball Relief Pitcher Roundup: 8/20Rick Graham

8/18/2026Top 100 Starting Pitchers For 2026 Fantasy Baseball 8/18: Week 22 RankingsNick Pollack

8/13/2026Fantasy Baseball Relief Pitcher Roundup: 8/12Rick Graham

8/13/2026Fantasy Baseball SP Roundup 8/12: My Fair LeahyJake Crumpler

See More Articles
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Tatsuya Imai Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L Sv Hld ERA WHIP xERA FIP xFIP PLA K% BB% H/9 HR/9 BABIP HR/FB% LOB% ICR% GB% SwStr% CSW% IPR% PLV
2026 HOU 19 15 70.2 6-4 0 0 5.35 1.47 5.03 4.42 4.21 5.23 27.7% 15.0% 7.3 1.15 .289 20.9% 69.2% 44.3% 42.6% 14.1% 29.7% 0.52 4.65
RP MLB Percentile 17 97 88 89-14 0 0 21 26 20 37 51 1 83 6 67 41 48 31 32 8 44 74 66 56 3
RP MLB AVG 37 2 46.0 3-2 3 6 4.22 1.34 4.21 4.23 4.27 3.51 22.5% 9.8% 8.3 1.12 .289 17.6% 72.6% 36.9% 43.6% 12.2% 28.5% 0.50 4.94
Career 19 15 70.2 6-4 0 0 5.35 1.47 5.03 4.41 4.21 5.23 27.7% 15.0% 7.3 1.15 .289 20.9% 69.2% 44.3% 42.6% 14.1% 29.7% 0.52 4.65

Tatsuya Imai Repertoire

2026 All
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Tatsuya Imai Game Log

Tatsuya Imai Standard

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Year Team G GS IP W-L QS Sv Hld P Strikes Balls TBF H 1B 2B 3B HR K BB HB WP
2026 HOU 19 15 70.2 6-4 5 0 0 1,356 802 555 314 57 39 9 0 9 87 47 4 1
RP MLB Percentile 17 97 88 89-14 97 0 0 93 91 6 91 15 15 27 46 12 95 1 14 45
RP MLB AVG 37 2 46.0 3-2 0 3 6 772 493 279 198 42 28 8 1 6 45 19 2 2
Career 19 15 70.2 6-4 5 0 0 1,356 802 555 314 57 39 9 0 9 87 47 4 1

Tatsuya Imai Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2026 HOU 27.7% 15.0% .219 .358 .703 .320 .289 .326 .239 .351 .309 .422 88.8 90.0 13.8 5.03
RP MLB Percentile 83 6 68 63 53 44 48 45 45 20 17 11 30 38 46 20
RP MLB AVG 22.5% 9.8% .241 .390 .714 .315 .289 .320 .235 .315 .279 .359 87.6 89.2 13.3 4.21
Career 27.7% 15.0% .219 .358 .703 .320 .289 .326 .239 .351 .309 .422 88.8 90.0 13.8 5.03

Tatsuya Imai Pitch › Mix

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Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2026 HOU43.9% (94.8)4.5% (94.5)-45.5% (86.6)-0.4% (77.6)2.3% (86.9)3.4% (84.6)- 48.4% 51.6%
RP MLB Percentile 63 (50) - - 91 (52) - - 4 (54) 8 (27) - 47.0% 52.7%
RP MLB AVG 38.5% (94.6) 26.4% (94.0) 20.2% (89.4) 25.9% (85.9) 21.2% (82.4) 15.6% (80.3) 16.9% (86.2) 18.3% (86.7) 42.8% (61.7) 48.4% 51.4%
Career43.9% (94.8)4.5% (94.5)-45.5% (86.6)-0.4% (77.6)2.3% (86.9)3.4% (84.6)- 48.4% 51.6%

Tatsuya Imai Pitch › Results

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Year Team FF CSW% SI CSW% FC CSW% SL CSW% ST CSW% CB CSW% CH CSW% FS CSW% KN CSW% Fastball CSW% Secondary CSW%
2026 HOU29.6% (48)21.3% (5)-31.1% (126)-33.3% (0)35.5% (5)19.6% (7)- 28.8% 30.6%
RP MLB Percentile 69 (17) - - 58 (1) - - 94 (40) 34 (49) - 62.4% 66.4%
RP MLB AVG 26.9% (28) 27.3% (11) 26.4% (13) 29.7% (24) 28.4% (18) 27.1% (12) 21.6% (17) 22.9% (18) 19.8% (8) 27.8% 28.8%
Career29.6% (48)21.3% (5)-31.1% (126)-33.3% (0)35.5% (5)19.6% (7)- 28.8% 30.6%

Tatsuya Imai Batted Ball › Contact

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Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR%
2026 HOU 42.6% 23.9% 24.4% 9.1% 39.2% 36.9% 35.8% 27.3% 16.4% 55.7% 27.3% 8.5% 8.5% 44.3%
RP MLB Percentile 44 27 50 45 18 22 69 66 22 9 23 15 23 8
RP MLB AVG 43.6% 21.6% 24.5% 10.3% 34.6% 40.9% 33.6% 25.5% 18.2% 62.8% 24.5% 5.8% 6.9% 36.9%
Career 42.6% 23.9% 24.4% 9.1% 39.2% 36.9% 35.8% 27.3% 16.4% 55.7% 27.3% 8.5% 8.5% 44.3%

Tatsuya Imai Batted Ball › Outcomes

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Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR% IPA%
2026 HOU .219 .320 .289 .326 .239 .351 .309 .422 88.8 90.0 13.8 20.9% 44.3% 24.8%
RP MLB Percentile 68 44 48 45 45 20 17 11 30 38 46 31 8 45
RP MLB AVG .241 .315 .289 .320 .235 .315 .279 .359 87.6 89.2 13.3 17.6% 36.9% 24.5%
Career .219 .320 .289 .326 .239 .351 .309 .422 88.8 90.0 13.8 20.9% 44.3% 24.8%

Tatsuya Imai Approach › Plate Discipline

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Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR% Str-ICR
2026 HOU 40.9% 59.1% 43.5% 28.6% 32.4% 16.4% 67.6% 80.3% 47.6% 15.6% 14.1% 29.7% 13.0% 54.9% 0.52 47.6%
RP MLB Percentile 11 5 12 23 90 22 90 78 91 37 74 66 4 10 56 14
RP MLB AVG 44.4% 63.8% 47.5% 31.8% 25.6% 18.2% 74.4% 83.9% 58.6% 16.3% 12.2% 28.5% 17.1% 58.3% 0.50 51.1%
Career 40.9% 59.1% 43.5% 28.6% 32.4% 16.4% 67.6% 80.3% 47.6% 15.6% 14.1% 29.7% 13.0% 54.9% 0.52 47.6%

Tatsuya Imai Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2026 HOU 40.9% 39.5% 27.2% 33.3% 35.0% 22.5% 42.5% 29.4% 43.4% 6.6%
RP MLB Percentile 11 79 48 21 42 53 63 48 50 49
RP MLB AVG 44.4% 34.5% 27.0% 38.5% 36.4% 22.9% 40.7% 29.8% 43.2% 6.6%
Career 40.9% 39.5% 27.2% 33.3% 35.0% 22.5% 42.5% 29.4% 43.4% 6.6%

Tatsuya Imai Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2026 HOU 55.7% 14.8% 29.8% 9.9% 52.7% 47.0% 20.4% 30.2% 21.5%
RP MLB Percentile 10 11 49 3 6 26 43 79 73
RP MLB AVG 58.5% 12.2% 29.9% 14.5% 60.9% 50.1% 21.1% 26.8% 19.2%
Career 55.7% 14.8% 29.8% 9.9% 52.7% 47.0% 20.4% 30.2% 21.5%

Tatsuya Imai PLV

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Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2026 HOU 1,356 4.65 39.1% 17.2% 43.7% -4.6% 5.6% -6.1 -12 5.23
RP MLB Percentile 93 3 3 47 2 2 25 83 95 1
RP MLB AVG 772 4.94 45.9% 17.3% 36.7% 9.2% 4.7% 0.7 0 3.51
Career 1,356 4.65 39.1% 17.2% 43.7% -4.6% 5.6% -6.1 -12 5.23
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