MLB Daily DeltaWeek 27 · September 29, 2026
Portrait of Lucas Giolito
Lucas Giolito
SD · P
Change to
Sammy Peralta
LAA · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 0–0, 4 even. Take whoever fills a bigger need.

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

Lucas Giolito wins 0 (none); Sammy Peralta wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Lucas Giolito
90.8
Sammy Peralta
88.4
Swinging-Strike %lg 11.0% · higher = better
Lucas Giolito
9.8%
Sammy Peralta
9.0%
Strikeout %lg 22.0% · higher = better
Lucas Giolito
13.0%
Sammy Peralta
20.5%
Chase %lg 28.5% · higher = better
Lucas Giolito
19.0%
Sammy Peralta
28.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Lucas Giolito
43.8%
Sammy Peralta
42.1%
Barrel % Allowedlg 8.0% · lower = better
Lucas Giolito
4.2%
Sammy Peralta
5.3%
xwOBA Allowedlg .315 · lower = better
Lucas Giolito
.358
Sammy Peralta
.368
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
Lucas Giolito
28.25
lg xERA 4.10
now 4.97
4.10
Sammy Peralta
28.25
lg xERA 4.10
now 10.13
4.10
WHIPlower is better
Lucas Giolito
1.072.11
now 1.74
1.30
Sammy Peralta
1.072.11
now 1.88
1.30

Volume · rest of season
Strikeoutshigher is better
Lucas Giolito
4011.60
now 6
0
Sammy Peralta
4011.60
now 4
0
Winshigher is better
Lucas Giolito
.0002.80
now 2
0–0
Sammy Peralta
.0002.80
now 0
0–0

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

If you already own them — trade angle
Hold · wait & seeLucas Giolito — hold.conf 0.50
Hold · wait & seeSammy Peralta — hold.conf 0.50
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