MLB Daily DeltaWeek 19 · August 1, 2026
Portrait of Dustin May
Dustin May
STL · P
Change to
Portrait of Robbie Ray
Robbie Ray
SF · P
Change to
Who's more valuable, rest of season

Dustin May.

He projects to help you in more roto categories the rest of the way — ERA and WHIP. Robbie Ray’s box score looks better right now, but it’s built on luck that won’t hold.

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

Dustin May wins 2 categories (ERA, WHIP); Robbie Ray 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
Dustin May
96.9
Robbie Ray
93.2
Swinging-Strike %lg 11.0% · higher = better
Dustin May
10.5%
Robbie Ray
11.9%
Strikeout %lg 22.0% · higher = better
Dustin May
23.1%
Robbie Ray
20.9%
Chase %lg 28.5% · higher = better
Dustin May
29.8%
Robbie Ray
29.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Dustin May
46.1%
Robbie Ray
37.5%
Barrel % Allowedlg 8.0% · lower = better
Dustin May
6.5%
Robbie Ray
8.4%
xwOBA Allowedlg .315 · lower = better
Dustin May
.306
Robbie Ray
.324
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
Dustin May
3.654.83
lg xERA 4.10
now 4.57
3.91
Robbie Ray
3.654.83
lg xERA 4.10
now 4.45
4.31
WHIPlower is better
Dustin May
1.231.47
now 1.30
1.33
Robbie Ray
1.231.47
now 1.40
1.39

Volume · rest of season
Strikeoutshigher is better
Dustin May
4067.80
now 51
37
Robbie Ray
4067.80
now 59
46
Winshigher is better
Dustin May
.2003.80
now 3
13
Robbie Ray
.2003.80
now 3
13

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

If you already own them — trade angle
Buy LowDustin May — buy low. The dip is a window to acquire.conf 0.74
Sell HighRobbie Ray — sell high. His value is peaking; good time to trade him.conf 0.95
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