Isaac Mattson P Pittsburgh Pirates
Age 31 RHP 6'2" / 214 lbs MLB peak 0.3 · 2026 ILInjured 15-Day (D15)
2026 FULL-SEASON PROJECTIONpark-neutral Marcel · 69 proj IP
wRC+ AGAINSTvL 121113vR 105
ERA3.68
FIP3.86
K%22.2%
BB%9.9%
K-BB%12.3%
ROS IP69
Value2026 · WAR
Runs saved vs league avg · 59 IP
K: +0.8 runs (Runs saved by strikeouts vs lg-avg K%)+1KBB: -1.9 runs (Runs saved by walk suppression vs lg-avg BB%)-2BBCONTACT: +7.3 runs (Runs saved on contact quality (HR suppression) vs lg)+7CONTACTSTAM: +2.4 runs (Replacement credit for innings volume)+2STAMTotal WAR: +0.90 (59 IP)+0.9WAR
0.70.1-0.12628
Grades · Statcast · Arsenal · Contract
Scouting Grades
STUF4545
CTRL4545
CMD4545
K†5555
Statcast Percentiles
FB Velo
p4594.2
Whiff%
p1921.0%
K%
p3820.5%
xwOBA vs
p100.374
FB+4.1 (70%)
SL (18%)
CH-0.9 (10%)

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 + 2026 so far)
201722ROK MLEOrem Owlz20031121471040%1.626.4%10.3%16.1%4.6%1.444.72
201722ROK RAWOrem Owlz20031121471040%1.638.8%8.3%30.6%3.3%1.442.72
201823MIX MLE2 levels2511943988531344%3.816.1%9.1%7.0%1.0%3.823.44
201823MIX RAW2 levels2511943988531344%3.821.4%7.8%13.6%0.8%3.822.70
201924MIX MLE3 levels370732921102740%2.029.0%9.9%19.1%1.9%2.332.95
201924MIX RAW3 levels370732921102740%2.037.7%9.2%28.4%1.4%2.331.91
202126MIX MLE2 levels22022104271130%1.026.1%7.8%18.3%4.0%6.234.10+0.1
202126MIX RAW2 levels22022104271130%1.026.0%10.6%15.4%2.9%6.233.93+0.2
202227AAA MLENorfolk Tides1901886142040%0.914.3%24.4%-10.1%5.3%6.627.88
202227AAA RAWNorfolk Tides1901886142040%0.916.3%23.3%-7.0%4.7%6.627.85
202328AA MLEWichita Wind Surge21132139422435%1.524.5%19.0%5.5%2.1%3.624.59
202328AA MLEWichita Wind Surge21132139422435%1.524.5%19.0%5.5%2.1%3.624.59
202328AA RAWWichita Wind Surge21132139422435%1.530.2%17.3%12.9%2.2%3.623.94
202429MIX MLE3 levels40376322954378%1.924.7%11.6%13.1%2.8%3.304.05+0.5
202429MIX MLE3 levels40376322954378%1.924.7%11.6%13.1%2.8%3.304.05+0.5
202429MIX RAW3 levels40376322954378%1.929.5%13.4%16.1%2.2%3.303.49+1.0
202530MIX MLE2 levels63069282702350%1.123.3%7.9%15.4%2.0%2.493.21+1.1
202530MIX MLE2 levels63069282702350%1.123.3%7.9%15.4%2.0%2.493.21+1.1
202530MIX RAW2 levels63069282702350%1.124.8%8.2%16.7%1.8%2.493.01+1.3
▸ Career totals (raw MLB only — as recorded)
MLB Career89096420904570%1.121.4%10.7%10.7%1.7%3.943.58+1.1
▸ 2026 season
YTD31MLB MLEPittsburgh Pirates53159257602732%1.121.8%10.2%11.6%1.3%3.973.24+0.9
YTD31MLB MLEPittsburgh Pirates53159257602732%1.121.8%10.2%11.6%1.3%3.973.24+0.9
▸ 2026 season — so far · projected rest · full
202631AAA RAWPIT151208124907%1.429.6%11.1%18.5%0.0%1.332.01
202631MLB RAWPIT38039176361830%1.020.5%10.2%10.2%1.7%5.353.60+0.4
SO FAR31MLB RAWPIT38039176361830%1.020.5%10.2%10.2%1.7%5.353.60+0.4
ROS31MLB MLEPIT022.2%9.9%12.3%2.5%3.683.86
ROS31MLB CTXPIT022.2%9.9%12.3%2.5%3.683.86
2026 TOT31MLB MLEPIT592576027323.3%10.5%12.8%1.2%3.973.24+1.0
FULL31MLB A+CPIT391636027336.8%16.5%20.2%1.8%6.053.10+0.6
▸ Career projection (2027+) — MLB context, MLB playing time (IP × MLB%)
202732MLB MLEPIT61064272582870%1.121.2%10.3%10.9%2.7%4.304.47+0.1
202833MLB MLEPIT56059250512770%1.120.5%10.7%9.9%3.0%4.564.74-0.1
202732MLB CTXPIT58061258552670%1.121.2%10.3%10.9%2.7%4.304.47+0.1
202833MLB CTXPIT53056236482570%1.120.5%10.7%9.9%3.0%4.564.74-0.1
▸ Career totals — MLB only (actual + projected)
Career RAW201021391519397210%1.121.1%10.6%10.5%2.3%4.213.92+1.6
/ 200 IP RAW188020085818191200%1.121.1%10.6%10.5%2.3%4.213.92+1.5
Career MLE300164752001456219455%1.622.8%10.9%11.8%2.2%3.383.79+1.0
/ 200 IP MLE126720084319292195%1.622.8%10.9%11.8%2.2%3.383.79+0.9

Career Comps

Retired MLB careers whose totals most resemble what we're projecting for this player. Pool: 133 completed pitcher careers (2015-2024).

Player162sIP/yrK%BB%HR/9ERA
OGILVIE CAREER PROJECTION0.96221.5%10.2%1.074.30
José Ruiz ('24)1.35222.2%10.4%1.414.41
Cory Gearrin ('19)1.15721.5%9.8%0.793.42
Keegan Thompson ('24)1.15723.0%11.3%1.193.64
Noé Ramirez ('22)1.35224.8%9.0%1.334.19
Josh Winckowski ('24)1.27718.3%8.2%1.134.21
José Cisnero ('23)1.14224.8%11.3%0.943.84