DataBaseball
2026
TJ Rumfield headshot

1B · 2026

TJ Rumfield

Age
26
B/T
L/R
Height
6' 5"
Weight
238 lb
Number
#7
Born
May 17, 2000 in Richmond, VA, USA
MLB debut
March 27, 2026
Drafted
2021, round 12
College
Virginia Tech
High school
Temple
dbWAR
2.4
1 season(s)
PA
464
AVG
.295
OBP
.373
SLG
.459
wRC+
130
100 = avg

TJ Rumfield is a first baseman for the Colorado Rockies. In 2026 he hit 13 home runs and knocked in 59 RBIs, notching 121 hits across 464 plate appearances in 115 games. His batting average was .295, 21.1% higher than the league average of .244. He reached base at a .373 clip and slugged .459, for an OPS of .831, 15.6% higher than the league mark of .719 — 5th of 14 on his team, and 40th of 417 among MLB batters with 100+ plate appearances. He averaged 83.9 mph off the bat, hit 28.1% of balls in play at 95 mph or better and made contact on 80.1% of his swings. Adjusted for his ballpark and league, his 130 wRC+ puts his offence 30% above average. That comes to 2.4 dbWAR — +19.0 runs with the bat, -0.8 on the bases, -10.1 for the position he plays, against replacement level. It includes no fielding: defensive runs are proprietary and are not estimated here, so the figure credits playing a demanding position but not playing it well.

League context

Percentile among qualified batters, 2026.

wRC+130
wOBA.368
ISO.163
BB%9.7%
WAR2.4

How the WAR is built

Runs above replacement, 2026. These four terms sum to +23.7 runs, divided by runs-per-win to give WAR.

Batting+19.0Baserunning-0.8Position-10.1Replacement+15.5
BattingBaserunningPositionReplacement

Platoon splits

How he hits left- and right-handed pitching.

Batting by the hand the pitcher throws with, 2026. Counted from play-by-play, so totals can differ from the box-score season line by a plate appearance or two.
SplitPAABHHRBBSOAVGOBPSLGwOBAK%
vs LHP1391243321418.266.345.371.32512.9%
vs RHP32528688113149.308.385.497.38615.1%

Spray chart

Where every ball he put in play landed, 2026.

Loading 344 batted balls…

Hot and cold zones

Batting average by pitch location, 2026.

.214.154.105.161.36411 AB.24129 AB.23113 AB.34141 AB.42949 AB.39328 AB.34846 AB.40050 AB.31029 AB
Below averageLeague averageAbove average
Batting average by location of the pitch that ended each plate appearance, catcher's view. The bordered square is the strike zone; the outer band is chase territory. Cells with fewer than 8 at-bats are left grey rather than shown as signal. League average on the same attribution is .243.

Batting

Standard and advanced, by season.

Trend
2026115464121135904567.295.373.459.163.3259.7%14.4%.368+19.01302.4

Head to head

Put TJ Rumfield beside up to three others.

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TJ Rumfield

Similar players

Nearest 2026 seasons by discipline, contact, power and speed, on rate statistics rather than totals.

How these are computed

wOBA uses linear weights measured from this season's own play-by-play rather than published constants, and wRC+ is park-adjusted against that same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page.