MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Isiah Kiner-Falefa
Isiah Kiner-Falefa
BOS · 2B
Change to
Portrait of Luis Arraez
Luis Arraez
PHI · 2B
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 11, 3 even. Take whoever fills a bigger need.

Head-to-head
HR
R
RBI
SB
AVG

Isiah Kiner-Falefa wins 1 (SB); Luis Arraez wins 1 (AVG); 3 even.

04

Under the hood

Underlying skill — each value vs league avg
Avg Exit Velolg 89.0 · higher = better
Isiah Kiner-Falefa
82.6
Luis Arraez
86.3
Hard-Hit %lg 40.0% · higher = better
Isiah Kiner-Falefa
26.5%
Luis Arraez
19.0%
Barrel %lg 8.0% · higher = better
Isiah Kiner-Falefa
2.7%
Luis Arraez
1.1%
Chase %lg 28.5% · lower = better
Isiah Kiner-Falefa
32.7%
Luis Arraez
34.1%
Swinging-Strike %lg 11.0% · lower = better
Isiah Kiner-Falefa
8.3%
Luis Arraez
3.8%
xwOBAlg .315 · higher = better
Isiah Kiner-Falefa
.315
Luis Arraez
.305
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
Isiah Kiner-Falefa
.240.340
lg AVG .295
now .311
.262
Luis Arraez
.240.340
lg AVG .295
now .321
.298

Volume · counting stats
Home Runshigher is better
Isiah Kiner-Falefa
53.20
now 1
0
Luis Arraez
53.20
now 2
0
Runshigher is better
Isiah Kiner-Falefa
2038.60
now 12
5
Luis Arraez
2038.60
now 29
5
RBIhigher is better
Isiah Kiner-Falefa
2030.60
now 11
4
Luis Arraez
2030.60
now 23
4
Stolen Baseshigher is better
Isiah Kiner-Falefa
.0006.60
now 4
2
Luis Arraez
.0006.60
now 5
1
If you already own them — trade angle
Hold · wait & seeIsiah Kiner-Falefa — hold.conf 0.50
Hold · leans sellLuis Arraez — hold.conf 0.60
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