DataBaseball
2026
Tommy La Stella headshot

DH · 2023

Tommy La Stella

Age
34
B/T
L/R
Height
5' 11"
Weight
180 lb
Born
January 31, 1989 in Westwood, NJ, USA
MLB debut
May 28, 2014
dbWAR
5.3
10 season(s)
PA
24
AVG
.190
OBP
.292
SLG
.238
wRC+
54
100 = avg

Tommy La Stella is a designated hitter for the Seattle Mariners. In 2023 he hit 0 home runs and knocked in 2 RBIs, notching 4 hits across 24 plate appearances in 12 games. His batting average was .190, 23.3% lower than the league average of .248. He reached base at a .292 clip and slugged .238, for an OPS of .530, 27.9% lower than the league mark of .734. He averaged 86.6 mph off the bat, hit 12.5% of balls in play at 95 mph or better and made contact on 75.0% of his swings. Adjusted for his ballpark and league, his 54 wRC+ puts his offence 46% below average. That comes to -0.1 dbWAR — -1.4 runs with the bat, -0.0 on the bases, -0.7 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, 2023.

wRC+54
wOBA.252
ISO.048
BB%12.5%
WAR-.1

How the WAR is built

Runs above replacement, 2023. These four terms sum to -1.3 runs, divided by runs-per-win to give WAR.

Batting-1.4Baserunning-0.0Position-0.7Replacement+0.8
BattingBaserunningPositionReplacement

WAR by season

1.80.7-0.4151617181920212223

Batting

Standard and advanced, by season.

Trend
20231224402035.190.292.238.048.25012.5%20.8%.252-1.454-0.1
2022601954321401130.239.282.350.111.2725.6%15.4%.279-5.278-0.4
2021762425572701826.250.308.405.155.2557.4%10.7%.309-1.6950.7
2020552285552512712.281.370.449.168.27611.8%5.3%.359+7.21211.3
20197932186164402028.295.346.486.192.2826.2%8.7%.354+8.51201.8
20181211924511901727.266.340.331.065.3128.9%14.1%.303-2.4870.1
2017731513652202018.288.389.472.184.29813.2%11.9%.373+6.11281.0
2016731694021101827.270.357.405.135.31910.7%16.0%.336+2.01140.7
2015337518111257.269.324.403.134.2836.7%9.3%.321+0.21040.3

Pitching

Standard and advanced, by season.

Trend
2018101.100031006.7512.912.250.00.0163311-0.1

Platoon splits

How he hits left- and right-handed pitching.

Batting by the hand the pitcher throws with, 2023. Counted from play-by-play, so totals can differ from the box-score season line by a plate appearance or two.
SplitPAABHHRBBSOAVGOBPSLGwOBAK%
vs RHP24214035.190.292.238.25220.8%

Spray chart

Where every ball he put in play landed, 2023.

Loading 16 batted balls…

Contact quality

How hard and at what angle he hits it, over 16 tracked batted balls in 2023. Percentiles are against qualified batters.

Barrel rate
0.0%
0 barrels
Exit velocity
86.6
mph average
Max exit velo
101.2
mph, hardest hit
Hard hit
12.5%
95 mph or better
Sweet spot
37.5%
8–32° launch
Launch angle
19.2°
average
Barrel rate0.0%
Exit velocity86.6 mph
Hard hit rate12.5%
Contact rate75.0%

A barrel is a batted ball whose exit velocity and launch angle have historically produced at least a .500 average and 1.500 slugging — 98 mph within 26–30°, widening to 8–50° by 116 mph. Reconstructed from Statcast's published anchor points, which reproduces them exactly; the interior is within a degree. Sweet spot (8–32°) is an exact definition.

Hot and cold zones

Batting average by pitch location, 2023.

1 AB1 AB3 AB1 AB2 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 .248.

Situational hitting

How Tommy La Stella hits by base state, outs, score and late-game pressure — each read against his own season line.

Split by
By who is on base when he comes up. The season line is repeated as the baseline.
SituationPAABHHRRBIBBSOAVGOBPSLGwOBA
All situations24.190.292.238.252
Bases empty · thin121030021.300.417.400.370
Runner on first · thin5400011.000.200.000.142
Runners on · thin121110214.091.167.091.133
RISP · thin7710203.143.143.143.126

Runners on includes runners in scoring position, which is the convention every reference uses. Rows under 25 plate appearances are marked thin — at that size a rate moves several dozen points on one hit. Counted from play-by-play, 2023.

Head to head

Put Tommy La Stella beside up to three others.

Compare — add up to 3 more players
Tommy La Stella
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.