MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Sean Burke
Sean Burke
CWS · P
Change to
Portrait of Sonny Gray
Sonny Gray
BOS · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
◀
ERA
WHIP
▶
W
SV n/a

Sean Burke wins 1 (ERA); Sonny Gray wins 1 (WHIP); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Sean Burke
94.8
Sonny Gray
91.5
Swinging-Strike %lg 11.0% · higher = better
Sean Burke
12.5%
Sonny Gray
11.0%
Strikeout %lg 22.0% · higher = better
Sean Burke
25.8%
Sonny Gray
21.8%
Chase %lg 28.5% · higher = better
Sean Burke
31.7%
Sonny Gray
33.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Sean Burke
38.8%
Sonny Gray
38.3%
Barrel % Allowedlg 8.0% · lower = better
Sean Burke
8.3%
Sonny Gray
6.8%
xwOBA Allowedlg .315 · lower = better
Sean Burke
.300
Sonny Gray
.303
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
Sean Burke
2.744.18
lg xERA 4.10
now 3.72
3.78
Sonny Gray
2.744.18
lg xERA 4.10
now 3.06
3.86
WHIPlower is better
Sean Burke
1.061.35
now 1.13
1.28
Sonny Gray
1.061.35
now 1.20
1.26

Volume · rest of season
Strikeoutshigher is better
Sean Burke
4084
now 60
0
Sonny Gray
4084
now 41
0
Winshigher is better
Sean Burke
.0008.40
now 2
0–0
Sonny Gray
.0008.40
now 6
0–0

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

If you already own them — trade angle
BuySean Burke — buy.conf 0.70
Hold · leans buySonny Gray — hold.conf 0.60
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