MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Brent Headrick
Brent Headrick
NYY · P
Change to
Portrait of Ian Seymour
Ian Seymour
TB · 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

Brent Headrick wins 1 (ERA); Ian Seymour 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
Brent Headrick
94.1
Ian Seymour
91.4
Swinging-Strike %lg 11.0% · higher = better
Brent Headrick
16.7%
Ian Seymour
15.2%
Strikeout %lg 22.0% · higher = better
Brent Headrick
30.1%
Ian Seymour
28.7%
Chase %lg 28.5% · higher = better
Brent Headrick
33.8%
Ian Seymour
35.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Brent Headrick
37.3%
Ian Seymour
37.0%
Barrel % Allowedlg 8.0% · lower = better
Brent Headrick
4.5%
Ian Seymour
10.0%
xwOBA Allowedlg .315 · lower = better
Brent Headrick
.271
Ian Seymour
.292
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
Brent Headrick
25.72
lg xERA 4.10
now 2.00
3.06
Ian Seymour
25.72
lg xERA 4.10
now 4.66
3.57
WHIPlower is better
Brent Headrick
1.031.47
now 1.37
1.24
Ian Seymour
1.031.47
now 1.28
1.13

Volume · rest of season
Strikeoutshigher is better
Brent Headrick
4044.80
now 29
0
Ian Seymour
4044.80
now 32
0
Winshigher is better
Brent Headrick
.0004.20
now 3
0–0
Ian Seymour
.0004.20
now 3
0–0

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

If you already own them — trade angle
BuyBrent Headrick — buy.conf 0.91
BuyIan Seymour — buy.conf 0.76
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