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

Chris Roycroft.

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

Chris Roycroft 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
Chris Roycroft
94.2
Wandy Peralta
96.4
Swinging-Strike %lg 11.0% · higher = better
Chris Roycroft
8.1%
Wandy Peralta
10.8%
Strikeout %lg 22.0% · higher = better
Chris Roycroft
18.1%
Wandy Peralta
15.7%
Chase %lg 28.5% · higher = better
Chris Roycroft
27.3%
Wandy Peralta
31.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Chris Roycroft
45.8%
Wandy Peralta
34.2%
Barrel % Allowedlg 8.0% · lower = better
Chris Roycroft
16.7%
Wandy Peralta
3.4%
xwOBA Allowedlg .315 · lower = better
Chris Roycroft
.378
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
Chris Roycroft
28.25
lg xERA 4.10
now 12.27
3.70
Wandy Peralta
28.25
lg xERA 4.10
now 2.73
3.72
WHIPlower is better
Chris Roycroft
.9002.55
now 3.55
1.24
Wandy Peralta
.9002.55
now 1.44
1.26

Volume · rest of season
Strikeoutshigher is better
Chris Roycroft
4025.40
now 3
12
Wandy Peralta
4025.40
now 19
18
Winshigher is better
Chris Roycroft
.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
Hold · wait & seeChris Roycroft — hold.conf 0.55
Hold · wait & seeWandy Peralta — hold.conf 0.50
Tweet