MLB Daily DeltaWeek 19 · August 5, 2026
Jake Irvin
WSH · P
Change to
Sean Sullivan
COL · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

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

Jake Irvin wins 2 (K, W); Sean Sullivan wins 2 (ERA, WHIP); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jake Irvin
92.9
Sean Sullivan
87.6
Swinging-Strike %lg 11.0% · higher = better
Jake Irvin
11.6%
Sean Sullivan
7.7%
Strikeout %lg 22.0% · higher = better
Jake Irvin
23.8%
Sean Sullivan
14.0%
Chase %lg 28.5% · higher = better
Jake Irvin
24.6%
Sean Sullivan
28.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Jake Irvin
45.9%
Sean Sullivan
34.5%
Barrel % Allowedlg 8.0% · lower = better
Jake Irvin
13.2%
Sean Sullivan
9.5%
xwOBA Allowedlg .315 · lower = better
Jake Irvin
.358
Sean Sullivan
.335
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
27.32
lg xERA 4.10
now 5.23
5.05
Sean Sullivan
27.32
lg xERA 4.10
now 0.00
4.10
WHIPlower is better
Jake Irvin
.9001.62
now 1.35
1.34
Sean Sullivan
.9001.62
now 0.67
1.30

Volume · rest of season
Strikeoutshigher is better
Jake Irvin
4080.40
now 58
39
Sean Sullivan
4080.40
now 2
20
Winshigher is better
Jake Irvin
.0002.80
now 2
12
Sean Sullivan
.0002.80
now 0
00

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

If you already own them — trade angle
SellJake Irvin — sell.conf 0.90
Hold · wait & seeSean Sullivan — hold.conf 0.55
Tweet