MLB Daily DeltaWeek 18 · July 27, 2026
Garrett Whitlock
BOS · 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 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Garrett Whitlock wins 2 (K, W); Ian Seymour wins 2 (ERA, SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Garrett Whitlock
94.9
Ian Seymour
91.6
Swinging-Strike %lg 11.0% · higher = better
Garrett Whitlock
16.2%
Ian Seymour
14.3%
Strikeout %lg 22.0% · higher = better
Garrett Whitlock
27.6%
Ian Seymour
28.1%
Chase %lg 28.5% · higher = better
Garrett Whitlock
41.6%
Ian Seymour
33.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Garrett Whitlock
33.3%
Ian Seymour
37.6%
Barrel % Allowedlg 8.0% · lower = better
Garrett Whitlock
4.0%
Ian Seymour
9.5%
xwOBA Allowedlg .315 · lower = better
Garrett Whitlock
.263
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
Garrett Whitlock
2.415.30
lg xERA 4.10
now 3.05
3.69
Ian Seymour
2.415.30
lg xERA 4.10
now 4.66
3.55
WHIPlower is better
Garrett Whitlock
1.041.35
now 1.11
1.24
Ian Seymour
1.041.35
now 1.28
1.24

Volume · rest of season
Strikeoutshigher is better
Garrett Whitlock
4037.60
now 26
22
Ian Seymour
4037.60
now 32
21
Winshigher is better
Garrett Whitlock
.0005.20
now 3
14
Ian Seymour
.0005.20
now 3
13
Saveshigher is better
Garrett Whitlock
.0003.40
now 0
0
Ian Seymour
.0003.40
now 2
12
If you already own them — trade angle
Sell HighGarrett Whitlock — sell high. His value is peaking; good time to trade him.conf 0.84
BuyIan Seymour — buy.conf 0.77
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