MLB Daily DeltaWeek 27 · September 27, 2026
Brock Stewart
LAD · P
Change to
Portrait of Kirby Yates
Kirby Yates
PIT · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 0–0, 4 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV n/a

Brock Stewart wins 0 (none); Kirby Yates wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Brock Stewart
95.9
Kirby Yates
90.8
Swinging-Strike %lg 11.0% · higher = better
Brock Stewart
14.3%
Kirby Yates
14.9%
Strikeout %lg 22.0% · higher = better
Brock Stewart
24.5%
Kirby Yates
27.9%
Chase %lg 28.5% · higher = better
Brock Stewart
36.3%
Kirby Yates
35.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Brock Stewart
27.7%
Kirby Yates
46.6%
Barrel % Allowedlg 8.0% · lower = better
Brock Stewart
4.6%
Kirby Yates
5.8%
xwOBA Allowedlg .315 · lower = better
Brock Stewart
.247
Kirby Yates
.286
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 · earned-run quality
ERAlower is better
Brock Stewart
26.05
lg xERA 4.10
now 0.00
3.70
Kirby Yates
26.05
lg xERA 4.10
now 4.32
3.70
WHIPlower is better
Brock Stewart
.9001.54
now 0.50
1.24
Kirby Yates
.9001.54
now 1.20
1.24

Volume · rest of season
Strikeoutshigher is better
Brock Stewart
4015.60
now 3
0
Kirby Yates
4015.60
now 10
0
Winshigher is better
Brock Stewart
.000.480
now 0
0–0
Kirby Yates
.000.480
now 0
0–0

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
Hold · wait & seeBrock Stewart — hold.conf 0.50
Hold · wait & seeKirby Yates — hold.conf 0.50
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