MLB Daily DeltaWeek 19 · July 31, 2026
Portrait of Grayson Rodriguez
Grayson Rodriguez
LAA · P
Change to
Portrait of Jacob Lopez
Jacob Lopez
ATH · P
Change to
Who's more valuable, rest of season

Grayson Rodriguez.

He projects to help you in more roto categories the rest of the way — strikeouts, WHIP, and wins. Jacob Lopez’s box score looks better right now, but the luck-stripped projection flips it.

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

Grayson Rodriguez wins 3 categories (K, WHIP, W); Jacob Lopez wins 1 (ERA); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Grayson Rodriguez
96.1
Jacob Lopez
90.5
Swinging-Strike %lg 11.0% · higher = better
Grayson Rodriguez
10.7%
Jacob Lopez
10.4%
Strikeout %lg 22.0% · higher = better
Grayson Rodriguez
17.3%
Jacob Lopez
18.7%
Chase %lg 28.5% · higher = better
Grayson Rodriguez
25.5%
Jacob Lopez
26.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Grayson Rodriguez
52.4%
Jacob Lopez
30.9%
Barrel % Allowedlg 8.0% · lower = better
Grayson Rodriguez
11.6%
Jacob Lopez
4.5%
xwOBA Allowedlg .315 · lower = better
Grayson Rodriguez
.414
Jacob Lopez
.299
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
Grayson Rodriguez
2.218.25
lg xERA 4.10
now 7.53
6.60
Jacob Lopez
2.218.25
lg xERA 4.10
now 6.75
3.73
WHIPlower is better
Grayson Rodriguez
1.321.99
now 1.67
1.47
Jacob Lopez
1.321.99
now 1.84
1.52

Volume · rest of season
Strikeoutshigher is better
Grayson Rodriguez
4056
now 14
44
Jacob Lopez
4056
now 38
34
Winshigher is better
Grayson Rodriguez
.0009
now 2
37
Jacob Lopez
.0009
now 4
25

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

If you already own them — trade angle
SellGrayson Rodriguez — sell.conf 0.90
BuyJacob Lopez — buy.conf 0.71
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