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Ronald Bolaños

Relief Pitcher

Bats / Throws Right / Right
Date of Birth 8/23/1996 (28)
Height, Weight 6'2", 230 lb
Hometown Santa Cruz del Norte, CUB

2022 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 18.1 4.42 1.75 13.8% 13.8%
3
Sv
44
IP
3.98
ERA
1.31
WHIP
23.7%
K%
9.3%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
93.3 9.6% 25.0% 41.6% 7.5% 4.56 5.25
94.2
FB MPH
12.9%
SwStr%
29.2%
CSW%
-
Str-ICR
7.0%
MTK%
4.99
PLV
-
PLA

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Overview

Hide 2022 MLB Percentile | Hide 2022 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
2019 SD 5 3 19.2 0-2 0 0 5.95 1.47 - 5.30 - - 21.6% 13.6% 7.8 1.37 .264 - 65.9% - - 9.8% 26.0% 0.34 -
2020 KC 2 2 3.2 0-2 0 0 12.27 3.00 10.66 13.82 8.26 7.09 9.5% 14.3% 19.6 4.91 .462 50.0% 54.3% 53.3% 57.1% 6.8% 19.2% 0.10 4.43
2021 KC 3 0 6.1 0-0 0 0 1.42 0.95 1.56 0.88 2.78 4.29 40.0% 8.0% 5.7 0.00 .308 0.0% 83.3% 23.1% 46.2% 17.9% 33.0% 0.68 4.87
2022 KC 8 0 18.1 0-0 0 0 4.42 1.75 6.30 5.71 5.73 5.25 13.8% 13.8% 9.8 0.98 .310 12.5% 80.7% 40.0% 51.7% 9.6% 25.0% 0.26 4.56
RP MLB Percentile - - - --- - - - - - - - - - - - - - - - - - - - - -
RP MLB AVG 41 0 44.0 3-2 3 7 3.98 1.31 3.99 3.89 3.88 3.56 23.7% 9.3% 8.2 0.99 .293 12.0% 72.5% 36.5% 45.4% 12.9% 29.2% 0.53 4.99
Career 18 5 48.0 0-4 0 0 5.25 1.63 - - - 3.11 19.5% 13.1% 9.2 1.31 .307 26.9% 72.4% 24.3% 51.7% 10.5% 25.9% 0.33 4.60

Repertoire

2019 2020 2021 2022 All
Hide MLB Percentile | Hide MLB Average
Year Usage% MPH Zone% O-Sw% Str% SwStr% CS% CSW% Str-ICR GB% FB% ICR HR/FB% AVG BABIP HL HP MTK% PLV
2022 31.0% 93.3 48.5% 17.0% 57.3% 5.8% 13.6% 19.4% 37.9% 59.1% 22.7% 45.5% 0.0% .217 .227 0 -1.0 9.7% 4.05
RP MLB Percentile - - - - - - - - - - - - - - - - - - -
RP MLB AVG 43.4% 94.2 49.2% 26.4% 64.6% 10.8% 16.8% 27.6% 51.6% 35.7% 41.0% 41.1% 12.0% .255 .303 +1 0.5 6.8% 4.87

Strike Zone Plot

2022 Season vs. All
Four-Seamer
home plate
MLB Rank MLB Average
Usage% MPH SwStr% CSW% Str% AVG HC% xMov yMov
31.0% 93.3 5.8% 19.4% 57.3% .217 43.3% 4.7 7.1
43.4%
Usage%
94.2
MPH
10.8%
SwStr%
27.6%
CSW%
64.6%
Str%
.255
AVG
28.3%
HC%
4.9
xMov
9.1
yMov

Game Log

Standard

Hide 2022 MLB Percentile | Hide 2022 MLB Average
Year Team G GS IP W-L QS Sv Hld P Strikes Balls TBF H 1B 2B 3B HR K BB HB WP
2019 SD 5 3 19.2 0-2 1 0 0 346 198 148 88 17 7 6 1 3 19 12 1 1
2020 KC 2 2 3.2 0-2 0 0 0 73 41 32 21 8 6 0 0 2 2 3 1 2
2021 KC 3 0 6.1 0-0 0 0 0 106 67 39 25 4 4 0 0 0 10 2 0 0
2022 KC 8 0 18.1 0-0 0 0 0 332 186 146 87 20 13 5 0 2 12 12 3 1
RP MLB Percentile - - - --- - - - - - - - - - - - - - - - -
RP MLB AVG 41 0 44.0 3-2 0 3 7 733 469 263 186 38 26 8 1 5 45 17 2 2
Career 18 5 48.0 0-4 1 0 0 857 492 365 221 49 30 11 1 7 43 29 5 4

Advanced

Hide 2022 MLB Percentile | Hide 2022 MLB Average
Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2019 SD 21.6% 13.6% .230 .459 .800 .338 .264 .304 - - - - - - - -
2020 KC 9.5% 14.3% .471 .824 1.395 .575 .462 .533 .412 .513 .422 .531 92.4 94.2 4.9 10.66
2021 KC 40.0% 8.0% .174 .174 .414 .196 .308 .308 .151 .191 .267 .260 81.6 75.6 18.1 1.56
2022 KC 13.8% 13.8% .286 .443 .845 .368 .310 .333 .304 .390 .325 .396 91.0 85.6 8.8 6.30
RP MLB Percentile - - - - - - - - - - - - - - - -
RP MLB AVG 23.7% 9.3% .238 .379 .695 .306 .293 .321 .229 .304 .279 .354 87.8 86.6 12.2 3.99
Career 19.5% 13.1% .266 .451 .827 .362 .307 .340 .245 .354 .327 .400 89.8 84.6 9.6 -

Pitch › Mix

Hide 2022 MLB Percentile | Hide 2022 MLB Average
Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2019 SD 23.1% (93.9) 4.3% (94.2) - 6.1% (82.7) - 9.0% (76.7) 2.6% (87.0) - - 27.5% 17.9%
2020 KC 45.2% (95.2) 15.1% (94.5) - 28.8% (84.6) - 9.6% (74.4) 1.4% (86.3) - - 60.3% 39.7%
2021 KC 19.8% (95.2) 34.0% (94.8) - 35.8% (85.1) - 8.5% (79.0) 1.9% (89.2) - - 53.8% 46.2%
2022 KC 31.0% (93.3) 22.3% (92.7) - 30.4% (84.3) - 11.4% (77.6) 4.8% (88.3) - - 53.3% 46.7%
RP MLB Percentile - - - - - - - - - - -
RP MLB AVG 43.4% (94.2) 30.4% (93.5) 22.6% (88.6) 33.9% (84.2) - (-) 19.2% (77.9) 18.5% (85.5) 17.4% (86.9) - (-) 50.7% 49.3%
Career 27.7% (94.0) 15.9% (93.5) - 21.1% (84.3) - 9.9% (77.2) 3.3% (87.9) - - 43.5% 34.4%

Pitch › Results

Hide 2022 MLB Percentile | Hide 2022 MLB Average
Year Team FF CSW% SI CSW% FC CSW% SL CSW% ST CSW% CB CSW% CH CSW% FS CSW% KN CSW% Fastball CSW% Secondary CSW%
2019 SD 25.0% (6) 20.0% (1) - 23.8% (2) - 32.3% (4) 22.2% (1) - - 24.2% 108.1%
2020 KC 21.2% (2) 9.1% (0) - 23.8% (2) - 14.3% (1) 0.0% (0) - - 18.2% 20.7%
2021 KC 23.8% (2) 33.3% (7) - 36.8% (9) - 44.4% (1) 0.0% (0) - - 29.8% 36.7%
2022 KC 19.4% (6) 24.3% (4) - 32.7% (19) - 26.3% (2) 12.5% (1) - - 21.5% 29.0%
RP MLB Percentile - - - - - - - - - - -
RP MLB AVG 27.6% (-) 27.3% (-) 25.2% (-) 31.4% (-) - (-) 29.0% (-) 23.9% (-) 24.7% (-) - (-) - -
Career 21.9% (16) 25.0% (12) - 31.5% (32) - 29.4% (8) 14.3% (2) - - 23.1% 46.1%

Batted Ball › Contact

Hide 2022 MLB Percentile | Hide 2022 MLB Average
Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR
2019 SD - - - - - - - - 15.0% - - - - -
2020 KC 57.1% 14.3% 28.6% 0.0% 35.7% 20.0% 66.7% 13.3% 16.4% 42.8% 42.9% 0.0% 14.3% 53.3%
2021 KC 46.2% 7.7% 46.2% 15.4% 15.4% 38.5% 30.8% 30.8% 17.9% 77.0% 23.1% 0.0% 0.0% 23.1%
2022 KC 51.7% 21.7% 26.7% 8.3% 33.3% 43.3% 28.3% 28.3% 13.0% 60.1% 28.3% 5.0% 6.7% 40.0%
RP MLB Percentile - - - - - - - - - - - - - -
RP MLB AVG 45.4% 21.4% 33.2% 9.5% 34.4% 39.3% 34.1% 26.6% 17.8% 63.3% 24.3% 5.8% 6.6% 36.5%
Career 51.7% 18.4% 29.9% 8.0% 31.0% 38.6% 35.2% 26.1% 14.7% 59.7% 29.9% 3.4% 6.9% 24.3%

Batted Ball › Outcomes

Hide 2022 MLB Percentile | Hide 2022 MLB Average
Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR IPA%
2019 SD .230 .338 .264 .304 - - - - - - - - - -
2020 KC .471 .575 .462 .533 .412 .513 .422 .531 92.4 94.2 4.9 50.0% 53.3% 38.1%
2021 KC .174 .196 .308 .308 .151 .191 .267 .260 81.6 75.6 18.1 0.0% 23.1% 12.0%
2022 KC .286 .368 .310 .333 .304 .390 .325 .396 91.0 85.6 8.8 12.5% 40.0% 27.6%
RP MLB Percentile - - - - - - - - - - - - - -
RP MLB AVG .238 .306 .293 .321 .229 .304 .279 .354 87.8 86.6 12.2 12.0% 36.5% 24.0%
Career .266 .362 .307 .340 .245 .354 .327 .400 89.8 84.6 9.6 26.9% 24.3% 15.8%

Approach › Plate Discipline

Hide 2022 MLB Percentile | Hide 2022 MLB Average
Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR Str-ICR
2019 SD - 57.2% 41.0% - 23.9% 15.0% 76.1% - - 16.2% 9.8% 26.0% 16.2% 52.3% 0.34 -
2020 KC 49.3% 56.2% 43.8% 18.9% 15.6% 16.4% 84.4% 88.0% 71.4% 12.3% 6.8% 19.2% 20.5% 45.2% 0.10 34.2%
2021 KC 42.5% 63.2% 48.1% 34.4% 37.3% 17.9% 62.7% 76.7% 42.9% 15.1% 17.9% 33.0% 12.3% 59.4% 0.68 57.5%
2022 KC 41.6% 56.0% 40.7% 24.7% 23.7% 13.0% 76.3% 89.7% 52.1% 15.4% 9.6% 25.0% 18.1% 50.0% 0.26 41.6%
RP MLB Percentile - - - - - - - - - - - - - - - -
RP MLB AVG 44.7% 63.8% 47.5% 30.9% 27.1% 17.8% 72.9% 81.8% 57.5% 16.3% 12.9% 29.2% 16.8% 58.5% 0.53 51.6%
Career 25.6% 57.4% 42.0% 26.0% 25.0% 14.7% 75.0% 86.6% 51.3% 15.4% 10.5% 25.9% 16.8% 51.7% 0.33 49.2%

Approach › Locations

Hide 2022 MLB Percentile | Hide 2022 MLB Average
Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2019 SD - - - - - - - - - -
2020 KC 49.3% 52.1% 15.1% 32.9% 17.8% 31.5% 50.7% 35.6% 49.3% 4.1%
2021 KC 42.5% 43.4% 28.3% 28.3% 20.8% 19.8% 59.4% 34.9% 36.8% 6.6%
2022 KC 41.6% 27.1% 24.4% 48.5% 24.1% 20.2% 55.7% 23.5% 52.1% 5.7%
RP MLB Percentile - - - - - - - - - -
RP MLB AVG 44.7% 34.0% 25.2% 40.8% 29.2% 24.3% 46.5% 29.6% 45.2% 6.5%
Career 25.6% 34.1% 23.9% 42.1% 22.5% 21.7% 55.8% 27.6% 48.5% 5.7%

Approach › Counts

Hide 2022 MLB Percentile | Hide 2022 MLB Average
Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2019 SD 59.5% 17.6% 22.8% 14.1% 48.9% 40.9% 19.4% - 24.1%
2020 KC 61.6% 17.8% 20.5% 17.8% 42.9% 33.3% 13.3% 20.0% 13.3%
2021 KC 57.5% 16.0% 26.4% 9.8% 44.0% 40.0% 13.1% 21.4% 35.7%
2022 KC 62.7% 20.2% 18.4% 13.5% 50.6% 40.2% 17.3% 24.6% 19.7%
RP MLB Percentile - - - - - - - - -
RP MLB AVG 58.4% 12.3% 29.8% 13.8% 60.3% 50.1% 21.3% 26.2% 20.2%
Career 60.7% 18.4% 21.4% 13.7% 48.4% 39.8% 17.3% 13.1% 23.5%

PLV

Hide 2022 MLB Percentile | Hide 2022 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2019 SD 346 - - - - - - - - -
2020 KC 73 4.43 34.2% 13.7% 52.1% -17.8% 13.7% 4.1 +4 7.09
2021 KC 106 4.87 40.6% 17.0% 42.5% -1.9% 10.4% -2.5 -1 4.29
2022 KC 332 4.56 36.4% 20.2% 43.4% -6.9% 7.5% 4.9 +6 5.25
RP MLB Percentile - - - - - - - - - -
RP MLB AVG 733 4.99 44.7% 19.0% 36.3% 8.3% 7.0% 2.7 +4 3.56
Career 857 4.60 37.0% 18.6% 44.4% -7.4% 9.0% 6.5 +8 3.11
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