MLB Daily DeltaWeek 19 · August 1, 2026
Portrait of Dustin May
Dustin May
STL · P
Change to
Portrait of Tanner Bibee
Tanner Bibee
CLE · 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

Dustin May wins 2 (ERA, W); Tanner Bibee wins 2 (K, WHIP); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Dustin May
96.9
Tanner Bibee
94.0
Swinging-Strike %lg 11.0% · higher = better
Dustin May
10.5%
Tanner Bibee
11.2%
Strikeout %lg 22.0% · higher = better
Dustin May
23.1%
Tanner Bibee
19.0%
Chase %lg 28.5% · higher = better
Dustin May
29.8%
Tanner Bibee
26.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Dustin May
46.1%
Tanner Bibee
40.1%
Barrel % Allowedlg 8.0% · lower = better
Dustin May
6.5%
Tanner Bibee
8.6%
xwOBA Allowedlg .315 · lower = better
Dustin May
.306
Tanner Bibee
.326
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
Tanner Bibee
3.654.83
lg xERA 4.10
now 4.57
4.35
WHIPlower is better
Dustin May
1.221.40
now 1.30
1.33
Tanner Bibee
1.221.40
now 1.30
1.29

Volume · rest of season
Strikeoutshigher is better
Dustin May
4069.20
now 51
37
Tanner Bibee
4069.20
now 60
42
Winshigher is better
Dustin May
.0004.20
now 3
13
Tanner Bibee
.0004.20
now 0
00

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 HighTanner Bibee — sell high. His value is peaking; good time to trade him.conf 0.89
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