MLB Daily DeltaWeek 17 · July 19, 2026
Riley Cornelio
WSH · P
Change to
Portrait of Wandy Peralta
Wandy Peralta
SD · P
Change to
Who's more valuable, rest of season

Riley Cornelio.

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

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

Riley Cornelio wins 2 categories (ERA, WHIP); Wandy Peralta wins 1 (K); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Riley Cornelio
96.3
Wandy Peralta
96.4
Swinging-Strike %lg 11.0% · higher = better
Riley Cornelio
17.5%
Wandy Peralta
10.8%
Strikeout %lg 22.0% · higher = better
Riley Cornelio
23.6%
Wandy Peralta
15.7%
Chase %lg 28.5% · higher = better
Riley Cornelio
32.5%
Wandy Peralta
31.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Riley Cornelio
47.6%
Wandy Peralta
34.2%
Barrel % Allowedlg 8.0% · lower = better
Riley Cornelio
9.5%
Wandy Peralta
3.4%
xwOBA Allowedlg .315 · lower = better
Riley Cornelio
.318
Wandy Peralta
.311
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
Riley Cornelio
28.25
lg xERA 4.10
now 6.75
3.70
Wandy Peralta
28.25
lg xERA 4.10
now 2.73
3.72
WHIPlower is better
Riley Cornelio
.9002.55
now 2.75
1.24
Wandy Peralta
.9002.55
now 1.44
1.26

Volume · rest of season
Strikeoutshigher is better
Riley Cornelio
4025.80
now 2
12
Wandy Peralta
4025.80
now 19
18
Winshigher is better
Riley Cornelio
.000.480
now 0
00
Wandy Peralta
.000.480
now 0
00

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

If you already own them — trade angle
Buy LowRiley Cornelio — buy low. The dip is a window to acquire.conf 0.90
Hold · wait & seeWandy Peralta — hold.conf 0.50
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