Biographical

Portrait of Ronald Bolanos

Ronald Bolanos P  

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2019 Projections (Preseason PECOTA - seasonal age 22)
IP ERA WHIP SO W L SV WARP
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Birth Date8-23-1996
Height6' 3"
Weight220 lbs
Age23 years, 2 months, 26 days
BatsR
ThrowsR
2015
2016
2017
2018
-0.62019
proj
WARP Summary

MLB Statistics

Historical (past-seasons) WARP is now based on DRA..
cFIP and DRA are not available on a by-team basis and display as zeroes(0). See TOT line for season totals of these stats.
Multiple stints are are currently shownClick to hide.
YEAR Team Lg G GS IP W L SV H BB SO HR PPF H/9 BB/9 HR/9 K/9 GB% BABIP WHIP FIP ERA cFIP DRA DRA- WARP
2019 SDN MLB 5 3 19.7 0 2 0 17 12 19 3 97 7.8 5.5 1.4 8.7 41% .264 1.47 5.20 5.95 113 6.03 123.7 -0.1
CareerMLB5319.70201712193977.85.51.48.741%.2641.475.205.951136.03123.7-0.1

Statistics for All Levels

'opp' stats - Quality of opponents faced - have been moved and are available only as OPP_QUAL in the Statistics reports now.
Minor league stats are currently shownClick to hide.
YEAR Team Lg LG G GS IP W L SV H BB SO HR PPF H/9 BB/9 HR/9 K/9 GB% BABIP WHIP FIP ERA cFIP DRA DRA-
2017 FTW A MID 16 11 69.3 5 2 0 65 34 51 3 103 8.4 4.4 0.4 6.6 46% .301 1.43 4.15 4.41 112 5.38 114.5
2018 LEL A+ CAL 25 23 125.0 6 9 0 138 50 118 13 103 9.9 3.6 0.9 8.5 44% .341 1.50 4.65 5.11 107 5.11 108.1
2019 SDN MLB NL 5 3 19.7 0 2 0 17 12 19 3 97 7.8 5.5 1.4 8.7 41% .264 1.47 5.20 5.95 113 6.03 123.7
2019 LEL A+ CAL 10 10 53.7 5 2 0 37 23 54 4 94 6.2 3.9 0.7 9.1 50% .244 1.12 4.07 2.85 102 3.37 69.3
2019 AMA AA TEX 15 13 76.7 8 5 0 71 30 88 7 113 8.3 3.5 0.8 10.3 48% .335 1.32 3.90 4.23 95 4.88 100.4

Plate Discipline

YEAR Pits Zone% Swing% Contact% Z-Swing% O-Swing% Z-Contact% O-Contact% SwStr%
2019 317 0.4700 0.3975 0.7698 0.5839 0.2321 0.8621 0.5641 0.2302
Career3170.47000.39750.76980.58390.23210.86210.56410.2302

Injury History  —  No longer being updated

Last Update: 12/31/2014 23:59 ET

Date On Date Off Transaction Days Games Side Body Part Injury Severity Surgery Date Reaggravation

Compensation

Year Team Salary
2019 SDN $

 

Service TimeAgentContract Status
0 y 0 d1 year (2019)

Details
  • 1 year (2019). Contract selected by San Diego 9/2/19.
  • Signed by San Diego 8/4/16 as a free agent from Cuba. $2.25M signing bonus.

2019 Preseason Forecast

Last Update: 1/27/2017 12:35 ET

PCT W L SV G GS IP H BB SO HR BABIP WHIP ERA DRA VORP WARP
90o 0 12 0 23 23 117.4 104 52 92 15 .264 1.33 4.18 4.41 -15.1 -1.6
80o 0 12 0 21 21 109.6 105 53 86 15 .279 1.44 4.61 4.87 -19.5 -2.1
70o 0 12 0 20 20 104.1 105 53 81 15 .291 1.52 4.93 5.21 -22.2 -2.4
60o 0 11.9 0 19 19 99.5 106 53 78 15 .300 1.59 5.21 5.51 -24.4 -2.7
50o 0 11.9 0 18 18 95.3 106 53 75 15 .309 1.66 5.48 5.79 -26.2 -2.8
40o 0 11.8 0 18 18 91.2 105 53 71 15 .318 1.74 5.75 6.08 -27.9 -3.0
30o 0 11.7 0 17 17 86.9 105 53 68 15 .328 1.82 6.05 6.39 -29.4 -3.2
20o 0 11.5 0 16 16 82.0 104 53 64 15 .339 1.91 6.41 6.77 -31.1 -3.4
10o 0 11.3 0 15 15 75.4 103 52 59 15 .355 2.05 6.92 7.31 -32.9 -3.6
Weighted Mean011.80181895.0104527415.3071.655.445.75-25.7-2.8

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PITCHf/x Pitcher Profile

A Collaboration between BrooksBaseball.net and Baseball Prospectus - Pitch classifications provided by Pitch Info LLC