MLB Daily DeltaWeek 27 · September 30, 2026
Chase Petty
CIN · P
Change to
Portrait of Freddy Peralta
Freddy Peralta
TB · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
▶
◀
WHIP
W
SV n/a

Chase Petty wins 1 (WHIP); Freddy Peralta wins 1 (ERA); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Chase Petty
96.9
Freddy Peralta
94.3
Swinging-Strike %lg 11.0% · higher = better
Chase Petty
9.4%
Freddy Peralta
12.5%
Strikeout %lg 22.0% · higher = better
Chase Petty
10.8%
Freddy Peralta
21.4%
Chase %lg 28.5% · higher = better
Chase Petty
27.9%
Freddy Peralta
31.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Chase Petty
37.5%
Freddy Peralta
37.2%
Barrel % Allowedlg 8.0% · lower = better
Chase Petty
8.9%
Freddy Peralta
5.8%
xwOBA Allowedlg .315 · lower = better
Chase Petty
.361
Freddy Peralta
.302
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
2.437.47
lg xERA 4.10
now 6.35
4.10
Freddy Peralta
2.437.47
lg xERA 4.10
now 3.55
3.84
WHIPlower is better
Chase Petty
1.171.41
now 1.24
1.30
Freddy Peralta
1.171.41
now 1.30
1.34

Volume · rest of season
Strikeoutshigher is better
Chase Petty
4095.20
now 2
0
Freddy Peralta
4095.20
now 68
0
Winshigher is better
Chase Petty
.0004.20
now 0
0–0
Freddy Peralta
.0004.20
now 3
0–0

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 0.91
Hold · leans buyFreddy Peralta — hold.conf 0.60
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