MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Isiah Kiner-Falefa
Isiah Kiner-Falefa
BOS · 2B
Change to
Portrait of Marcus Semien
Marcus Semien
NYM · 2B
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 0–0, 5 even. Take whoever fills a bigger need.

Head-to-head
HR
R
RBI
SB
AVG

Isiah Kiner-Falefa wins 0 (none); Marcus Semien wins 0 (none); 5 even.

04

Under the hood

Underlying skill — each value vs league avg
Avg Exit Velolg 89.0 · higher = better
Isiah Kiner-Falefa
82.5
Marcus Semien
86.7
Hard-Hit %lg 40.0% · higher = better
Isiah Kiner-Falefa
25.5%
Marcus Semien
33.6%
Barrel %lg 8.0% · higher = better
Isiah Kiner-Falefa
2.2%
Marcus Semien
5.9%
Chase %lg 28.5% · lower = better
Isiah Kiner-Falefa
31.8%
Marcus Semien
27.0%
Swinging-Strike %lg 11.0% · lower = better
Isiah Kiner-Falefa
8.5%
Marcus Semien
11.4%
xwOBAlg .315 · higher = better
Isiah Kiner-Falefa
.297
Marcus Semien
.300
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
.200.440
lg AVG .295
now .311
.000
Marcus Semien
.200.440
lg AVG .295
now .228
.000

Volume · counting stats
Home Runshigher is better
Isiah Kiner-Falefa
58.40
now 1
0
Marcus Semien
58.40
now 6
0
Runshigher is better
Isiah Kiner-Falefa
2032.20
now 12
0
Marcus Semien
2032.20
now 23
0
RBIhigher is better
Isiah Kiner-Falefa
2032.20
now 11
0
Marcus Semien
2032.20
now 23
0
Stolen Baseshigher is better
Isiah Kiner-Falefa
.0007
now 4
0
Marcus Semien
.0007
now 5
0
If you already own them — trade angle
SellIsiah Kiner-Falefa — sell.conf 0.59
SellMarcus Semien — sell.conf 0.58
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