MLB Daily DeltaWeek 18 · July 28, 2026
Chase Petty
CIN · P
Change to
Robert Gasser
MIL · P
Change to
Who's more valuable, rest of season

Robert Gasser.

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

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

Robert Gasser wins 3 categories (K, ERA, WHIP); Chase Petty wins 0 (none); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Chase Petty
97.0
Robert Gasser
92.5
Swinging-Strike %lg 11.0% · higher = better
Chase Petty
9.8%
Robert Gasser
11.7%
Strikeout %lg 22.0% · higher = better
Chase Petty
11.1%
Robert Gasser
21.5%
Chase %lg 28.5% · higher = better
Chase Petty
28.6%
Robert Gasser
29.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Chase Petty
36.2%
Robert Gasser
30.4%
Barrel % Allowedlg 8.0% · lower = better
Chase Petty
7.4%
Robert Gasser
6.4%
xwOBA Allowedlg .315 · lower = better
Chase Petty
.343
Robert Gasser
.300
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
2.707.39
lg xERA 4.10
now 6.35
4.10
Robert Gasser
2.707.39
lg xERA 4.10
now 4.73
3.74
WHIPlower is better
Chase Petty
1.151.51
now 1.24
1.30
Robert Gasser
1.151.51
now 1.43
1.23

Volume · rest of season
Strikeoutshigher is better
Chase Petty
4039.80
now 2
7
Robert Gasser
4039.80
now 12
29
Winshigher is better
Chase Petty
.000.480
now 0
00
Robert Gasser
.000.480
now 0
00

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 0.87
BuyRobert Gasser — buy.conf 0.71
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