MLB Daily DeltaWeek 20 · August 9, 2026
Portrait of Robbie Ray
Robbie Ray
SD · P
Change to
Portrait of Shane Baz
Shane Baz
BAL · 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

Robbie Ray wins 2 (K, W); Shane Baz wins 2 (ERA, WHIP); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Robbie Ray
93.2
Shane Baz
96.0
Swinging-Strike %lg 11.0% · higher = better
Robbie Ray
11.7%
Shane Baz
10.8%
Strikeout %lg 22.0% · higher = better
Robbie Ray
20.3%
Shane Baz
20.7%
Chase %lg 28.5% · higher = better
Robbie Ray
28.9%
Shane Baz
30.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Robbie Ray
37.8%
Shane Baz
42.2%
Barrel % Allowedlg 8.0% · lower = better
Robbie Ray
8.2%
Shane Baz
6.6%
xwOBA Allowedlg .315 · lower = better
Robbie Ray
.329
Shane Baz
.314
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
Robbie Ray
3.894.70
lg xERA 4.10
now 4.45
4.41
Shane Baz
3.894.70
lg xERA 4.10
now 4.48
4.11
WHIPlower is better
Robbie Ray
1.291.50
now 1.40
1.41
Shane Baz
1.291.50
now 1.43
1.36

Volume · rest of season
Strikeoutshigher is better
Robbie Ray
4068.20
now 59
39
Shane Baz
4068.20
now 57
36
Winshigher is better
Robbie Ray
.2003.80
now 3
13
Shane Baz
.2003.80
now 2
12

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

If you already own them — trade angle
Sell HighRobbie Ray — sell high. His value is peaking; good time to trade him.conf 0.95
Hold · steadyShane Baz — hold.conf 0.60
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