MLB Daily DeltaWeek 20 · August 7, 2026
Portrait of Jacob Lopez
Jacob Lopez
ATH · P
Change to
Portrait of Robbie Ray
Robbie Ray
SD · 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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jacob Lopez
90.5
Robbie Ray
93.2
Swinging-Strike %lg 11.0% · higher = better
Jacob Lopez
10.7%
Robbie Ray
11.9%
Strikeout %lg 22.0% · higher = better
Jacob Lopez
20.3%
Robbie Ray
20.9%
Chase %lg 28.5% · higher = better
Jacob Lopez
26.1%
Robbie Ray
29.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Jacob Lopez
31.0%
Robbie Ray
37.5%
Barrel % Allowedlg 8.0% · lower = better
Jacob Lopez
4.8%
Robbie Ray
8.4%
xwOBA Allowedlg .315 · lower = better
Jacob Lopez
.291
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
Jacob Lopez
2.208.05
lg xERA 4.10
now 6.75
3.50
Robbie Ray
2.208.05
lg xERA 4.10
now 4.45
4.31
WHIPlower is better
Jacob Lopez
1.212.02
now 1.84
1.49
Robbie Ray
1.212.02
now 1.40
1.39

Volume · rest of season
Strikeoutshigher is better
Jacob Lopez
4071.40
now 38
28
Robbie Ray
4071.40
now 59
41
Winshigher is better
Jacob Lopez
.0005.20
now 4
24
Robbie Ray
.0005.20
now 3
13

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

If you already own them — trade angle
BuyJacob Lopez — buy.conf 0.78
Sell HighRobbie Ray — sell high. His value is peaking; good time to trade him.conf 0.95
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