MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Freddy Peralta
Freddy Peralta
TB · P
Change to
Zac Thornton
NYM · 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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Freddy Peralta
94.3
Zac Thornton
92.3
Swinging-Strike %lg 11.0% · higher = better
Freddy Peralta
12.5%
Zac Thornton
9.3%
Strikeout %lg 22.0% · higher = better
Freddy Peralta
21.4%
Zac Thornton
18.7%
Chase %lg 28.5% · higher = better
Freddy Peralta
31.3%
Zac Thornton
32.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Freddy Peralta
37.2%
Zac Thornton
41.1%
Barrel % Allowedlg 8.0% · lower = better
Freddy Peralta
5.8%
Zac Thornton
9.5%
xwOBA Allowedlg .315 · lower = better
Freddy Peralta
.302
Zac Thornton
.325
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
Freddy Peralta
3.234.68
lg xERA 4.10
now 3.55
3.84
Zac Thornton
3.234.68
lg xERA 4.10
now 4.35
4.36
WHIPlower is better
Freddy Peralta
1.091.41
now 1.30
1.34
Zac Thornton
1.091.41
now 1.16
1.25

Volume · rest of season
Strikeoutshigher is better
Freddy Peralta
4095.20
now 68
0
Zac Thornton
4095.20
now 10
0
Winshigher is better
Freddy Peralta
.0004.20
now 3
0–0
Zac Thornton
.0004.20
now 0
0–0

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

If you already own them — trade angle
Hold · leans buyFreddy Peralta — hold.conf 0.60
Sell HighZac Thornton — sell high. His value is peaking; good time to trade him.conf 0.95
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