MLB Daily DeltaWeek 25 · September 11, 2026
Portrait of Marcus Semien
Marcus Semien
NYM · 2B
Change to
Portrait of Vaughn Grissom
Vaughn Grissom
LAA · 2B
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22, 1 even. Take whoever fills a bigger need.

Head-to-head
HR
R
RBI
SB
AVG

Marcus Semien wins 2 (R, SB); Vaughn Grissom wins 2 (RBI, AVG); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Avg Exit Velolg 89.0 · higher = better
Marcus Semien
86.6
Vaughn Grissom
87.8
Hard-Hit %lg 40.0% · higher = better
Marcus Semien
33.6%
Vaughn Grissom
37.3%
Barrel %lg 8.0% · higher = better
Marcus Semien
6.3%
Vaughn Grissom
7.1%
Chase %lg 28.5% · lower = better
Marcus Semien
27.8%
Vaughn Grissom
31.7%
Swinging-Strike %lg 11.0% · lower = better
Marcus Semien
11.8%
Vaughn Grissom
11.0%
xwOBAlg .315 · higher = better
Marcus Semien
.306
Vaughn Grissom
.312
stabilized — trust it · small sample yet · dashed = league avg · right = better
05

The tape

Rest-of-season projection · bold = leads
rest-of-season projection current season projection range
Rate · batting average
AVGhigher is better
Marcus Semien
.210.260
lg AVG .295
now .228
.219
Vaughn Grissom
.210.260
lg AVG .295
now .238
.244

Volume · counting stats
Home Runshigher is better
Marcus Semien
58.40
now 6
0
Vaughn Grissom
58.40
now 3
0
Runshigher is better
Marcus Semien
2031
now 23
4
Vaughn Grissom
2031
now 12
3
RBIhigher is better
Marcus Semien
2032
now 23
4
Vaughn Grissom
2032
now 24
6
Stolen Baseshigher is better
Marcus Semien
.0007
now 5
1
Vaughn Grissom
.0007
now 0
0
If you already own them — trade angle
Hold · leans sellMarcus Semien — hold.conf 0.60
Hold · steadyVaughn Grissom — hold.conf 0.60
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