MLB Daily DeltaWeek 18 · July 23, 2026
Portrait of Colin Holderman
Colin Holderman
CLE · P
Change to
Portrait of Ian Seymour
Ian Seymour
TB · P
Change to
Who's more valuable, rest of season

Ian Seymour.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and saves.

Head-to-head
K
ERA
WHIP
W
SV

Ian Seymour wins 3 categories (K, ERA, SV); Colin Holderman wins 2 (WHIP, W).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Colin Holderman
97.4
Ian Seymour
91.6
Swinging-Strike %lg 11.0% · higher = better
Colin Holderman
12.1%
Ian Seymour
14.3%
Strikeout %lg 22.0% · higher = better
Colin Holderman
27.0%
Ian Seymour
27.9%
Chase %lg 28.5% · higher = better
Colin Holderman
29.5%
Ian Seymour
33.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Colin Holderman
48.4%
Ian Seymour
37.4%
Barrel % Allowedlg 8.0% · lower = better
Colin Holderman
7.7%
Ian Seymour
9.2%
xwOBA Allowedlg .315 · lower = better
Colin Holderman
.277
Ian Seymour
.297
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
Colin Holderman
25.67
lg xERA 4.10
now 2.14
3.70
Ian Seymour
25.67
lg xERA 4.10
now 4.66
3.67
WHIPlower is better
Colin Holderman
.9001.47
now 0.81
1.24
Ian Seymour
.9001.47
now 1.28
1.25

Volume · rest of season
Strikeoutshigher is better
Colin Holderman
4037.60
now 23
20
Ian Seymour
4037.60
now 32
23
Winshigher is better
Colin Holderman
.0005.20
now 3
24
Ian Seymour
.0005.20
now 3
13
Saveshigher is better
Colin Holderman
.0004.40
now 0
0
Ian Seymour
.0004.40
now 2
13
If you already own them — trade angle
Sell HighColin Holderman — sell high. His value is peaking; good time to trade him.conf 0.95
BuyIan Seymour — buy.conf 0.73
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