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Tyron Guerrero

#41 - Relief Pitcher

Boston Red Sox

Bats / Throws Right / Right
Date of Birth 1/9/1991 (35)
Height, Weight 6'8", 225 lb
Hometown Boca Chica, COL

2026 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 24.0 2.25 1.04 28.3% 3.0%
195th 2
Sv
255th 36.0
IP
38th 4.29
ERA
39th 1.36
WHIP
29th 22.4%
K%
2nd 10.0%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
100.0 15.3% 32.0% 62.0% 6.8% 5.08 2.78
2nd 94.6
FB MPH
41st 12.1%
SwStr%
29th 28.4%
CSW%
2nd 50.9%
Str-ICR
318th 4.7%
MTK%
50th 4.93
PLV
35th 3.51
PLA
Holds List
Rank
17th
Saves+Holds List
Rank
34th

Articles

7/25/2026Fantasy Baseball Relief Pitcher Roundup: 7/24Rick Graham

7/24/2026Waiver Relief: Week 18Alex Kamberis

7/22/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 7/21Rick Graham

7/21/2026Fantasy Baseball Relief Pitcher Roundup: 7/20Rick Graham

7/18/2026Fantasy Baseball Relief Pitcher Roundup: 7/17Rick Graham

See More Articles
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Tyron Guerrero Overview

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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
2016 SD 1 0 2.0 0-0 0 - 4.50 2.00 - 4.65 - - 0.0% 11.1% 13.5 0.00 .375 - 75.0% - - - - - -
2018 MIA 60 0 58.0 1-3 0 9 5.43 1.62 - 4.32 - 0.00 25.4% 11.2% 9.9 1.24 .354 - 66.4% - - 12.3% 26.9% 0.46 -
2019 MIA 52 0 46.0 1-2 0 6 6.26 1.70 - 6.06 - 0.00 19.9% 16.7% 8.2 1.37 .282 - 67.4% - - 14.2% 25.2% 0.44 -
2026 BOS 23 0 24.0 1-1 0 11 2.25 1.04 2.43 2.48 2.62 2.78 28.3% 3.0% 8.3 0.75 .313 16.7% 74.4% 30.3% 56.3% 15.3% 32.0% 0.74 5.08
RP MLB Percentile 38 0 26 25-53 0 83 89 88 95 96 99 90 91 99 48 67 30 39 46 88 93 88 91 98 85
RP MLB AVG 28 1 36.0 2-2 2 5 4.29 1.36 4.30 4.33 4.37 3.51 22.4% 10.0% 8.3 1.16 .289 18.1% 72.5% 37.0% 43.7% 12.1% 28.4% 0.50 4.93
Career 136 0 130.0 3-6 0 26 5.12 1.55 2.43 4.60 2.62 0.51 23.5% 11.8% 9.1 1.18 .322 141.7% 68.0% 5.5% 56.3% 13.5% 27.0% 0.50 5.08

Tyron Guerrero Repertoire

2018 2019 2026 All
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Tyron Guerrero Game Log

Tyron Guerrero 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
2016 SD 1 0 2.0 0-0 0 0 - 22 12 10 9 3 2 1 0 0 0 1 0 0
2018 MIA 60 0 58.0 1-3 0 0 9 1,120 681 438 268 64 44 11 1 8 68 30 3 8
2019 MIA 52 0 46.0 1-2 0 0 6 900 552 348 216 42 27 8 0 7 43 36 6 9
2026 BOS 23 0 24.0 1-1 0 0 11 366 267 99 99 22 18 2 0 2 28 3 2 0
RP MLB Percentile 38 0 26 25-53 0 0 83 23 30 89 24 69 56 80 39 70 38 98 28 65
RP MLB AVG 28 1 36.0 2-2 0 2 5 606 386 220 156 33 22 6 1 4 35 15 2 1
Career 136 0 130.0 3-6 0 0 26 2,408 1,512 895 592 131 91 22 1 17 139 70 11 17

Tyron Guerrero Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2016 SD 0.0% 11.1% .375 .500 .944 .410 .375 .375 - - - - - - - -
2018 MIA 25.4% 11.2% .275 .433 .796 .347 .354 .386 - - - - - - - -
2019 MIA 19.9% 16.7% .246 .415 .804 .352 .282 .321 - - - - - - - -
2026 BOS 28.3% 3.0% .234 .319 .592 .264 .313 .333 .211 .248 .285 .320 84.8 87.0 4.5 2.43
RP MLB Percentile 91 99 57 76 83 84 30 36 77 95 40 69 93 80 95 95
RP MLB AVG 22.4% 10.0% .241 .393 .718 .316 .289 .320 .237 .319 .281 .361 87.8 89.3 13.3 4.30
Career 23.5% 11.8% .259 .407 .766 .341 .322 .353 .096 .266 .268 .320 84.8 87.0 4.5 2.43

Tyron Guerrero 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%
2018 MIA34.2% (99.1)1.3% (98.5)-8.2% (86.4)--0.5% (94.0)-- 35.4% 8.7%
2019 MIA47.4% (98.9)6.6% (99.1)-14.9% (87.2)----- 54.0% 14.9%
2026 BOS0.3% (95.8)83.6% (100.0)-12.6% (91.3)--3.6% (91.9)-- 83.9% 16.1%
RP MLB Percentile 0 (68) 100 (99) - 19 (98) - - 10 (96) - - 99.4% 0.3%
RP MLB AVG 38.1% (94.6) 25.7% (93.9) 20.8% (89.4) 25.6% (85.5) 21.3% (82.5) 16.1% (79.9) 17.4% (86.2) 18.4% (86.4) 32.3% (68.3) 48.4% 51.4%
Career34.0% (99.0)15.9% (99.8)-11.4% (87.6)--0.8% (92.5)-- 49.9% 12.2%

Tyron Guerrero 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%
2018 MIA28.7% (45)21.4% (2)-25.0% (15)--0.0% (0)-- 28.5% 23.7%
2019 MIA24.4% (58)25.4% (7)-27.6% (23)----- 24.5% 27.6%
2026 BOS0.0% (0)33.7% (45)-23.9% (9)--23.1% (2)-- 33.6% 23.7%
RP MLB Percentile 0 (0) 86 (1) - 20 (53) - - 59 (70) - - 92.9% 17.6%
RP MLB AVG 27.1% (22) 27.1% (9) 27.0% (11) 29.3% (18) 28.1% (14) 27.6% (10) 21.7% (14) 23.4% (15) 22.0% (8) 27.8% 28.7%
Career26.4% (103)31.9% (54)-26.1% (47)--16.7% (2)-- 28.2% 25.5%

Tyron Guerrero 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%
2018 MIA - - - - - - - - 19.1% - - - - -
2019 MIA - - - - - - - - 21.6% - - - - -
2026 BOS 56.3% 17.2% 18.8% 7.8% 31.3% 28.8% 42.4% 28.8% 23.0% 68.7% 18.8% 7.8% 4.7% 30.3%
RP MLB Percentile 93 75 8 22 66 6 97 44 99 85 89 18 75 88
RP MLB AVG 43.7% 21.7% 24.4% 10.3% 34.7% 40.9% 33.9% 25.1% 18.0% 62.7% 24.5% 5.8% 7.1% 37.0%
Career 56.3% 17.2% 18.8% 7.8% 31.3% 28.8% 42.4% 28.8% 20.6% 68.7% 18.8% 7.8% 4.7% 5.5%

Tyron Guerrero 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%
2018 MIA .275 .347 .354 .386 - - - - - - - - - -
2019 MIA .246 .352 .282 .321 - - - - - - - - - -
2026 BOS .234 .264 .313 .333 .211 .248 .285 .320 84.8 87.0 4.5 16.7% 30.3% 20.2%
RP MLB Percentile 57 84 30 36 77 95 40 69 93 80 95 39 88 84
RP MLB AVG .241 .316 .289 .320 .237 .319 .281 .361 87.8 89.3 13.3 18.1% 37.0% 24.6%
Career .259 .341 .322 .353 .096 .266 .268 .320 84.8 87.0 4.5 141.7% 5.5% 3.4%

Tyron Guerrero 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
2018 MIA - 60.8% 46.3% - 26.6% 19.1% 73.4% - - 14.6% 12.3% 26.9% 14.8% 55.1% 0.46 -
2019 MIA - 61.3% 50.3% - 28.3% 21.6% 71.7% - - 11.0% 14.2% 25.2% 14.6% 56.7% 0.44 -
2026 BOS 56.0% 73.0% 56.3% 37.9% 27.2% 23.0% 72.8% 77.9% 60.7% 16.7% 15.3% 32.0% 18.0% 66.9% 0.74 62.0%
RP MLB Percentile 100 100 99 95 64 99 64 92 38 60 88 91 59 100 98 99
RP MLB AVG 44.5% 63.6% 47.2% 31.5% 25.6% 18.0% 74.4% 83.8% 58.6% 16.3% 12.1% 28.4% 17.1% 58.1% 0.50 50.9%
Career 8.6% 62.8% 49.3% 37.9% 27.4% 20.6% 72.6% 77.9% 60.7% 13.5% 13.5% 27.0% 15.2% 57.5% 0.50 61.2%

Tyron Guerrero Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2018 MIA - - - - - - - - - -
2019 MIA - - - - - - - - - -
2026 BOS 56.0% 34.7% 30.1% 35.2% 36.9% 25.4% 37.7% 35.5% 34.4% 5.7%
RP MLB Percentile 100 52 13 26 57 16 25 88 3 30
RP MLB AVG 44.5% 34.6% 26.9% 38.4% 36.3% 23.0% 40.7% 30.0% 43.1% 6.6%
Career 8.6% 34.7% 30.1% 35.2% 36.9% 25.4% 37.7% 35.5% 34.4% 5.7%

Tyron Guerrero Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2018 MIA 55.9% 16.4% 27.8% 10.7% 51.7% 42.8% 18.1% - 21.9%
2019 MIA 55.8% 11.4% 32.8% 12.4% 63.1% 56.2% 14.1% - 14.6%
2026 BOS 61.5% 6.0% 32.5% 14.2% 66.7% 58.6% 22.2% 21.8% 23.5%
RP MLB Percentile 86 100 86 47 89 98 65 14 86
RP MLB AVG 58.5% 12.3% 29.7% 14.5% 60.7% 49.9% 21.0% 26.5% 19.2%
Career 56.7% 13.0% 30.4% 11.9% 58.5% 50.4% 17.3% 3.6% 19.2%

Tyron Guerrero PLV

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Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2018 MIA 1,120 - - - - - - - - 0.00
2019 MIA 900 - - - - - - - - 0.00
2026 BOS 366 5.08 49.5% 18.0% 32.5% 16.9% 6.8% -2.9 -3 2.78
RP MLB Percentile 23 85 87 59 88 88 9 72 69 90
RP MLB AVG 606 4.93 45.9% 17.3% 36.8% 9.1% 4.7% 0.9 +0 3.51
Career 2,408 5.08 49.5% 18.0% 32.5% 16.9% 6.8% -2.9 -3 0.51
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