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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 31.0 3.19 1.06 26.6% 3.9%
210th 3
Sv
227th 40.0
IP
21st 4.29
ERA
21st 1.35
WHIP
61st 22.4%
K%
2nd 9.9%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
100.1 14.6% 30.4% 62.8% 6.8% 5.08 2.75
2nd 94.7
FB MPH
52nd 12.1%
SwStr%
52nd 28.5%
CSW%
1st 51.1%
Str-ICR
318th 4.7%
MTK%
32nd 4.94
PLV
19th 3.57
PLA
Holds List
Rank
8th
Saves+Holds List
Rank
24th

Articles

8/12/2026Fantasy Baseball Relief Pitcher Roundup: 8/11Rick Graham

8/11/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 8/11Rick Graham

8/10/2026Fantasy Baseball Relief Pitcher Roundup: 8/9Rick Graham

8/7/2026Fantasy Baseball Relief Pitcher Roundup: 8/6Rick Graham

8/6/2026Fantasy Baseball Relief Pitcher Roundup: 8/5Rick 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 31 0 31.0 1-2 0 15 3.19 1.06 2.39 2.41 2.74 2.75 26.6% 3.9% 8.1 0.58 .306 13.3% 62.1% 28.7% 57.1% 14.6% 30.4% 0.71 5.08
RP MLB Percentile 47 0 35 21-57 0 93 94 94 98 97 97 94 82 99 66 79 56 66 52 97 94 84 84 97 89
RP MLB AVG 32 2 40.0 2-2 3 5 4.29 1.35 4.25 4.27 4.32 3.57 22.4% 9.9% 8.3 1.14 .288 17.9% 72.4% 36.9% 43.6% 12.1% 28.5% 0.50 4.94
Career 144 0 137.0 3-7 0 30 5.19 1.53 2.39 4.47 2.74 0.62 23.3% 11.6% 9.0 1.12 .320 113.3% 66.3% 6.5% 57.1% 13.4% 26.9% 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 31 0 31.0 1-2 0 0 15 471 346 125 128 28 23 3 0 2 34 5 2 1
RP MLB Percentile 47 0 35 21-57 0 0 93 29 36 86 30 69 54 75 43 74 45 97 34 40
RP MLB AVG 32 2 40.0 2-2 0 3 5 682 435 247 175 37 24 7 1 5 39 17 2 2
Career 144 0 137.0 3-7 0 0 30 2,513 1,591 921 621 137 96 23 1 17 145 72 11 18

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 26.6% 3.9% .231 .306 .579 .257 .306 .322 .215 .244 .289 .310 84.2 87.1 4.3 2.39
RP MLB Percentile 82 99 72 87 92 92 56 66 86 98 66 93 93 75 94 98
RP MLB AVG 22.4% 9.9% .240 .392 .716 .316 .288 .320 .236 .317 .280 .360 87.7 89.2 13.3 4.25
Career 23.3% 11.6% .257 .400 .755 .336 .320 .349 .111 .263 .275 .310 84.2 87.1 4.3 2.39

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 BOS-83.9% (100.1)-11.7% (91.5)---4.3% (92.0)- 83.9% 15.9%
RP MLB Percentile - 100 (99) - 16 (99) - - - 10 (97) - 99.4% 0.3%
RP MLB AVG 38.0% (94.7) 26.4% (93.9) 20.3% (89.4) 25.7% (85.6) 21.4% (82.5) 16.5% (79.5) 17.2% (86.2) 17.8% (86.5) 32.6% (68.2) 48.3% 51.5%
Career32.5% (99.0)18.8% (99.9)-11.3% (87.8)--0.2% (94.0)0.8% (92.0)- 51.3% 12.3%

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 BOS-32.2% (56)-20.0% (9)---25.0% (4)- 32.2% 21.3%
RP MLB Percentile - 80 (1) - 9 (57) - - - 55 (62) - 91.2% 8.2%
RP MLB AVG 27.0% (25) 27.2% (10) 26.4% (12) 29.3% (21) 28.1% (16) 27.3% (11) 21.7% (15) 23.1% (17) 22.1% (9) 27.8% 28.7%
Career26.4% (103)31.0% (65)-25.3% (47)--0.0% (0)25.0% (4)- 28.1% 24.8%

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 57.1% 16.7% 17.9% 8.3% 29.8% 28.7% 41.4% 29.9% 24.6% 70.2% 19.0% 7.1% 3.6% 28.7%
RP MLB Percentile 94 92 14 39 87 3 89 84 99 95 94 26 88 97
RP MLB AVG 43.6% 21.7% 24.5% 10.3% 34.8% 41.0% 33.7% 25.2% 18.1% 62.8% 24.4% 5.8% 7.0% 36.9%
Career 57.1% 16.7% 17.9% 8.3% 29.8% 28.7% 41.4% 29.9% 21.0% 70.2% 19.0% 7.1% 3.6% 6.5%

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 .231 .257 .306 .322 .215 .244 .289 .310 84.2 87.1 4.3 13.3% 28.7% 19.5%
RP MLB Percentile 72 92 56 66 86 98 66 93 93 75 94 66 97 90
RP MLB AVG .240 .316 .288 .320 .236 .317 .280 .360 87.7 89.2 13.3 17.9% 36.9% 24.5%
Career .257 .336 .320 .349 .111 .263 .275 .310 84.2 87.1 4.3 113.3% 6.5% 4.1%

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 54.4% 73.5% 57.7% 40.0% 25.4% 24.6% 74.6% 80.5% 61.6% 15.7% 14.6% 30.4% 18.5% 67.5% 0.71 62.8%
RP MLB Percentile 100 100 100 98 54 99 54 77 43 48 84 84 72 100 97 100
RP MLB AVG 44.5% 63.7% 47.4% 31.6% 25.6% 18.1% 74.4% 83.8% 58.7% 16.3% 12.1% 28.5% 17.1% 58.3% 0.50 51.1%
Career 10.3% 63.3% 49.9% 40.0% 27.0% 21.0% 73.0% 80.5% 61.6% 13.5% 13.4% 26.9% 15.4% 58.0% 0.50 61.4%

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 54.4% 35.5% 29.6% 34.9% 38.1% 26.2% 35.7% 35.5% 34.9% 6.8%
RP MLB Percentile 100 59 18 26 61 16 23 90 4 43
RP MLB AVG 44.5% 34.6% 27.0% 38.4% 36.5% 22.9% 40.6% 29.8% 43.2% 6.6%
Career 10.3% 35.5% 29.6% 34.9% 38.1% 26.2% 35.7% 35.5% 34.9% 6.8%

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 61.8% 6.6% 32.5% 14.8% 66.9% 57.5% 20.6% 23.5% 22.2%
RP MLB Percentile 91 100 83 58 91 97 52 20 84
RP MLB AVG 58.5% 12.2% 29.9% 14.4% 60.8% 50.1% 21.1% 26.7% 19.1%
Career 57.0% 12.8% 30.5% 12.1% 58.9% 50.6% 17.2% 4.7% 19.1%

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 471 5.08 49.5% 18.5% 32.1% 17.4% 6.8% -4.7 -3 2.75
RP MLB Percentile 29 89 91 65 93 93 9 84 78 94
RP MLB AVG 682 4.94 45.9% 17.4% 36.7% 9.1% 4.7% 0.6 0 3.57
Career 2,513 5.08 49.5% 18.5% 32.1% 17.4% 6.8% -4.7 -3 0.62
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