MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Robbie Ray
Robbie Ray
SF · P
Change to
Portrait of Tyler Mahle
Tyler Mahle
SF · 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); Tyler Mahle 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
93.3
Tyler Mahle
92.2
Swinging-Strike %lg 11.0% · higher = better
Robbie Ray
12.2%
Tyler Mahle
8.7%
Strikeout %lg 22.0% · higher = better
Robbie Ray
22.0%
Tyler Mahle
22.9%
Chase %lg 28.5% · higher = better
Robbie Ray
29.8%
Tyler Mahle
28.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Robbie Ray
36.9%
Tyler Mahle
35.7%
Barrel % Allowedlg 8.0% · lower = better
Robbie Ray
11.6%
Tyler Mahle
8.3%
xwOBA Allowedlg .315 · lower = better
Robbie Ray
.345
Tyler Mahle
.316
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
3.306.82
lg xERA 4.10
now 4.45
4.66
Tyler Mahle
3.306.82
lg xERA 4.10
now 6.04
4.08
WHIPlower is better
Robbie Ray
1.311.61
now 1.40
1.39
Tyler Mahle
1.311.61
now 1.54
1.38

Volume · rest of season
Strikeoutshigher is better
Robbie Ray
43.40104.60
now 59
91
Tyler Mahle
43.40104.60
now 57
87
Winshigher is better
Robbie Ray
.0008
now 3
36
Tyler Mahle
.0008
now 1
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
Buy LowTyler Mahle — buy low. The dip is a window to acquire.conf 0.90
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