MLB Daily DeltaWeek 19 · August 5, 2026
Chase Petty
CIN · P
Change to
Portrait of Jacob Lopez
Jacob Lopez
ATH · P
Change to
Who's more valuable, rest of season

Jacob Lopez.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and wins.

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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Chase Petty
96.9
Jacob Lopez
90.5
Swinging-Strike %lg 11.0% · higher = better
Chase Petty
9.1%
Jacob Lopez
10.4%
Strikeout %lg 22.0% · higher = better
Chase Petty
10.8%
Jacob Lopez
18.7%
Chase %lg 28.5% · higher = better
Chase Petty
29.2%
Jacob Lopez
26.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Chase Petty
36.2%
Jacob Lopez
30.9%
Barrel % Allowedlg 8.0% · lower = better
Chase Petty
7.6%
Jacob Lopez
4.5%
xwOBA Allowedlg .315 · lower = better
Chase Petty
.350
Jacob Lopez
.298
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
Chase Petty
2.477.97
lg xERA 4.10
now 6.35
4.10
Jacob Lopez
2.477.97
lg xERA 4.10
now 6.75
3.69
WHIPlower is better
Chase Petty
12.08
now 1.24
1.30
Jacob Lopez
12.08
now 1.84
1.52

Volume · rest of season
Strikeoutshigher is better
Chase Petty
4052.40
now 2
6
Jacob Lopez
4052.40
now 38
30
Winshigher is better
Chase Petty
.0005.60
now 0
00
Jacob Lopez
.0005.60
now 4
24

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

If you already own them — trade angle
Sell HighChase Petty — sell high. His value is peaking; good time to trade him.conf 0.86
BuyJacob Lopez — buy.conf 0.72
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