Grant Hartwig

P St. Paul Saints
Age 29 RHP 6'5" / 235 lbs AAA peak 0.1 · 2027
Overview
AAARPROOKIE
YearAgeLvl / TeamGGSIPERAFIPK%BB%WARMLE rates
202426MIX4 levels422494.964.0421.1%11.2%0.3K 18.7% · BB 10.1% · FIP 3.46
202527AAANYM210243.424.2029.2%8.0%—K 25.1% · BB 7.2% · FIP 4.18
202628AAAMIN340406.303.9219.9%9.9%—K 17.1% · BB 9.0% · FIP 4.05
2027PROJ29MLBMIN550584.684.6819.0%9.7%-0.1
2028PROJ37% MLB30MLBMIN190204.774.8518.7%10.0%-0.1
2029PROJ55% MLB31MLBMIN270284.925.0418.3%10.3%-0.2
Last 3 seasons WAR 0.3  ·  Next 3 projected WAR -0.3Projected rows: MLB playing time only, park and league context applied.
Contract
No contract data on file.
Scouting grades · 20-80
Stuff42Control45Command41FB velo53
Career WAR0 WAR median (P10 -0 / P90 0, comp-based) · star 0% · didn't stick 98%
CompsJim Miller (age 30) · Dustin Molleken (age 30) · Angel Castro (age 32)
2027 FULL-SEASON PROJECTIONrates below = full-season projection
showingPROJ
wRC+ AGAINSTvL 122114vR 106
ERA4.68
FIP4.68
K%19.0%
BB%9.7%
K-BB%9.3%
Proj IP58
Value2027 · WAR
Runs saved vs league avg · 58 IP
K: -1.3 runs (Runs saved by strikeouts vs lg-avg K%)-1KBB: -0.7 runs (Runs saved by walk suppression vs lg-avg BB%)-1BBCONTACT: -1.2 runs (Runs saved on contact quality (HR suppression) vs lg)-1CONTACTSTAM: +2.4 runs (Replacement credit for innings volume)+2STAMTotal WAR: -0.09 (58 IP)-0.1WAR
-0.1-0.1-0.2272829
Grades · Arsenal · Contract
Scouting Grades
STUF4040
CTRL4545
CMD4040
K†4545
SI (35%)
FB (39%)
SL (33%)
CT (21%)
CH (7%)

Contract

No contract data on file. Pre-MLB players and minor-league free agents do not yet have salary projections — entries are added at first 40-man roster placement.

Career Stats + Projections

Real MLB stats plus park-adjusted projections — this season (so far / rest / full), then future seasons and career totals.
basis chips: RAW = as recorded · CTX = with park/league context · A+C = actual + context combined · MLE = level/park-neutral
Methodology▸ how WAR & MLE are computed

Stats are park-neutral MLB equivalents. The "TEAM" column shows current org affiliation only — we do NOT project at that team's park.
Rates (K%, BB%, HR-BF) are park-stripped; MiLB stat lines are translated to their MLB-equivalent via per-level MLE factors.
WAR is computed from projected runs prevented vs a replacement pitcher (the marginal arm a team would call up if this pitcher were unavailable) — calibrated to industry-standard fWAR.

YearAge LvlTeam GGSIPBF KBBHR GS%IP/G K%BB%K-BB%HR% ERAFIP WAR
▸ Career — actual stats, one row per year (as recorded, no adjustments)
▸ Career — adjusted (each season translated to a park/league-neutral MLB-equivalent line; levels combined per year)
▸ Model inputs — neutral MLE (past 3 seasons + 2027 so far)
202123MIX MLE2 levels831251124138%1.523.5%7.8%15.7%2.0%3.093.18—
202123MIX RAW2 levels831251124138%1.523.5%7.8%15.7%2.0%3.093.19—
202224MIX MLE4 levels39057234832410%1.527.6%11.2%16.4%0.6%1.752.52—
202224MIX RAW4 levels39057234832410%1.535.5%10.3%25.2%0.4%1.751.67—
202325MIX MLE2 levels52064295673160%1.221.0%9.9%11.0%2.1%4.923.76+0.6
202325MIX RAW2 levels52064295673160%1.222.7%10.5%12.2%2.0%4.923.68+0.7
202426MIX MLE4 levels42249223472555%1.218.7%10.1%8.7%1.2%4.963.46+0.6
202426MIX MLE4 levels42249223472555%1.218.7%10.1%8.7%1.2%4.963.46+0.6
202426MIX RAW4 levels42249223472555%1.221.1%11.2%9.9%2.2%4.964.04+0.3
202527AAA MLESyracuse Mets2102411333950%1.125.1%7.2%17.9%4.2%3.424.18—
202527AAA MLESyracuse Mets2102411333950%1.125.1%7.2%17.9%4.2%3.424.18—
202527AAA RAWSyracuse Mets2102411333950%1.129.2%8.0%21.2%4.4%3.424.20—
202628AAA MLESt. Paul Saints34040191381940%1.217.1%9.0%8.2%2.3%6.304.05—
202628AAA MLESt. Paul Saints34040191381940%1.217.1%9.0%8.2%2.3%6.304.05—
202628AAA RAWSt. Paul Saints34040191381940%1.219.9%9.9%9.9%2.1%6.303.92—
▸ Career totals (raw MLB only — as recorded)
MLB Career—32042189341840%1.318.0%9.5%8.5%2.1%5.144.00+0.3
▸ 2027 season — projected remainder (no 2027 stats recorded)
202729MLBMIN55058245472470%1.119.0%9.7%9.3%2.9%4.684.68-0.1
▸ Career projection (2028+) — MLB context, MLB playing time (IP × MLB%)
202830MLB MLEMIN52055231432370%1.118.7%10.0%8.8%3.1%4.774.85-0.2
202931MLB MLEMIN49051216402270%1.018.3%10.3%8.1%3.3%4.925.04-0.3
202830MLB CTXMIN190208416830%1.118.7%10.0%8.8%3.1%4.774.85-0.1
202931MLB CTXMIN27028118221240%1.018.3%10.3%8.1%3.3%4.925.04-0.2
▸ Career totals — MLB only (actual + projected)
Career— RAW780903937239110%1.218.3%9.8%8.4%2.7%4.994.28+0.3
/ 200 IP— RAW173020087015986240%1.218.3%9.8%8.4%2.7%4.994.28+0.6
Career— MLE19652451107241107213%1.221.8%9.7%12.1%1.9%4.193.50-0.2
/ 200 IP— MLE160420090419787173%1.221.8%9.7%12.1%1.9%4.193.50-0.3

Career Comps

Completed MLB careers (no pro action in 2+ yrs) whose totals — actual + projected — most resemble this player's. Pool: 1,474 reliever careers (754 from 1990-2025 + 720 historical, 1901-2023), also matched on career-to-date at the same age. * Historical (Lahman) careers: rates era-adjusted to 2001-24 league levels; WAR is an OGILVIE proxy.

Player162sIP/yrK%BB%HR/9ERA
OGILVIE CAREER PROJECTION1.05218.6%10.0%1.114.86
Josias Manzanillo ('04)1.75720.0%10.2%1.214.71
Vic Darensbourg ('05)1.55017.0%9.3%1.014.96
Kevin Hickey ('81-'91, 0 WAR*)1.24717.7%*10.2%*1.10*4.27*
Bob Macdonald ('90-'96, 1 WAR*)1.25918.3%*9.8%*1.20*4.32*
Tom Martin ('07)1.65315.8%10.1%1.024.92
Bill Wilson ('69-'73, -0 WAR*)1.35220.3%*11.5%*1.13*4.84*