MLB Daily DeltaWeek 17 · July 20, 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

Isiah Kiner-Falefa.

He projects to help you in more roto categories the rest of the way — runs, steals, and average. Marcus Semien’s box score looks better right now, but the luck-stripped projection flips it.

Head-to-head
HR
R
RBI
SB
AVG

Isiah Kiner-Falefa wins 3 categories (R, SB, AVG); Marcus Semien wins 1 (HR); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Avg Exit Velolg 89.0 · higher = better
Isiah Kiner-Falefa
82.3
Marcus Semien
86.1
Hard-Hit %lg 40.0% · higher = better
Isiah Kiner-Falefa
26.5%
Marcus Semien
34.5%
Barrel %lg 8.0% · higher = better
Isiah Kiner-Falefa
2.9%
Marcus Semien
7.9%
Chase %lg 28.5% · lower = better
Isiah Kiner-Falefa
34.7%
Marcus Semien
29.4%
Swinging-Strike %lg 11.0% · lower = better
Isiah Kiner-Falefa
8.7%
Marcus Semien
12.0%
xwOBAlg .315 · higher = better
Isiah Kiner-Falefa
.312
Marcus Semien
.313
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
.200.340
lg AVG .295
now .311
.266
Marcus Semien
.200.340
lg AVG .295
now .228
.231

Volume · counting stats
Home Runshigher is better
Isiah Kiner-Falefa
58
now 1
1
Marcus Semien
58
now 6
4
Runshigher is better
Isiah Kiner-Falefa
2027.40
now 12
20
Marcus Semien
2027.40
now 23
18
RBIhigher is better
Isiah Kiner-Falefa
2027.80
now 11
18
Marcus Semien
2027.80
now 23
18
Stolen Baseshigher is better
Isiah Kiner-Falefa
2.808.20
now 4
7
Marcus Semien
2.808.20
now 5
4
If you already own them — trade angle
Hold · wait & seeIsiah Kiner-Falefa — hold.conf 0.50
Hold · steadyMarcus Semien — hold.conf 0.60
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