MLB Daily DeltaWeek 15 · July 5, 2026
Jake Irvin
WSH · P
Change to
Portrait of Mitch Keller
Mitch Keller
PIT · P
Change to
Who's more valuable, rest of season

Jake Irvin.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and WHIP. Mitch Keller’s box score looks better right now, but the luck-stripped projection flips it.

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

Jake Irvin wins 3 categories (K, ERA, WHIP); Mitch Keller wins 1 (W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jake Irvin
92.9
Mitch Keller
93.4
Swinging-Strike %lg 11.0% · higher = better
Jake Irvin
11.8%
Mitch Keller
9.8%
Strikeout %lg 22.0% · higher = better
Jake Irvin
25.4%
Mitch Keller
17.3%
Chase %lg 28.5% · higher = better
Jake Irvin
25.0%
Mitch Keller
29.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Jake Irvin
45.8%
Mitch Keller
42.0%
Barrel % Allowedlg 8.0% · lower = better
Jake Irvin
12.0%
Mitch Keller
7.3%
xwOBA Allowedlg .315 · lower = better
Jake Irvin
.349
Mitch Keller
.353
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
Jake Irvin
45.58
lg xERA 4.10
now 5.23
4.81
Mitch Keller
45.58
lg xERA 4.10
now 4.35
4.90
WHIPlower is better
Jake Irvin
1.091.44
now 1.35
1.33
Mitch Keller
1.091.44
now 1.17
1.36

Volume · rest of season
Strikeoutshigher is better
Jake Irvin
45.4070.60
now 58
65
Mitch Keller
45.4070.60
now 51
59
Winshigher is better
Jake Irvin
.0009
now 2
24
Mitch Keller
.0009
now 5
37

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

If you already own them — trade angle
SellJake Irvin — sell.conf 0.88
SellMitch Keller — sell.conf 0.90
Tweet