MLB Daily DeltaWeek 17 · July 21, 2026
Portrait of Freddy Peralta
Freddy Peralta
NYM · P
Change to
Portrait of Lucas Giolito
Lucas Giolito
SD · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

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

Freddy Peralta wins 2 (K, ERA); Lucas Giolito wins 2 (WHIP, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Freddy Peralta
94.1
Lucas Giolito
90.8
Swinging-Strike %lg 11.0% · higher = better
Freddy Peralta
12.4%
Lucas Giolito
9.8%
Strikeout %lg 22.0% · higher = better
Freddy Peralta
22.3%
Lucas Giolito
13.0%
Chase %lg 28.5% · higher = better
Freddy Peralta
29.2%
Lucas Giolito
19.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Freddy Peralta
39.0%
Lucas Giolito
43.8%
Barrel % Allowedlg 8.0% · lower = better
Freddy Peralta
5.4%
Lucas Giolito
4.2%
xwOBA Allowedlg .315 · lower = better
Freddy Peralta
.303
Lucas Giolito
.358
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
2.985.54
lg xERA 4.10
now 3.55
3.82
Lucas Giolito
2.985.54
lg xERA 4.10
now 4.97
4.10
WHIPlower is better
Freddy Peralta
1.121.92
now 1.30
1.37
Lucas Giolito
1.121.92
now 1.74
1.30

Volume · rest of season
Strikeoutshigher is better
Freddy Peralta
4092.80
now 68
63
Lucas Giolito
4092.80
now 6
30
Winshigher is better
Freddy Peralta
.00011.80
now 3
24
Lucas Giolito
.00011.80
now 2
49

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

If you already own them — trade angle
Hold · leans buyFreddy Peralta — hold.conf 0.60
Hold · wait & seeLucas Giolito — hold.conf 0.50
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