MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Lucas Giolito
Lucas Giolito
SD · P
Change to
Robert Stock
NYM · 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); Robert Stock 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
Robert Stock
95.8
Swinging-Strike %lg 11.0% · higher = better
Lucas Giolito
9.8%
Robert Stock
11.8%
Strikeout %lg 22.0% · higher = better
Lucas Giolito
13.0%
Robert Stock
19.7%
Chase %lg 28.5% · higher = better
Lucas Giolito
19.0%
Robert Stock
28.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Lucas Giolito
43.8%
Robert Stock
36.4%
Barrel % Allowedlg 8.0% · lower = better
Lucas Giolito
4.2%
Robert Stock
8.1%
xwOBA Allowedlg .315 · lower = better
Lucas Giolito
.358
Robert Stock
.343
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
26.24
lg xERA 4.10
now 4.97
4.10
Robert Stock
26.24
lg xERA 4.10
now 1.80
4.10
WHIPlower is better
Lucas Giolito
.9002.20
now 1.74
1.30
Robert Stock
.9002.20
now 0.60
1.30

Volume · rest of season
Strikeoutshigher is better
Lucas Giolito
4011.60
now 6
0
Robert Stock
4011.60
now 4
0
Winshigher is better
Lucas Giolito
.0002.80
now 2
0–0
Robert Stock
.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 & seeRobert Stock — hold.conf 0.55
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