MLB Daily DeltaWeek 25 · September 10, 2026
Robert Stock
NYM · P
Change to
Zac Thornton
NYM · P
Change to
Who's more valuable, rest of season

Zac Thornton.

He projects to help you in more roto categories the rest of the way — strikeouts and WHIP. Robert Stock’s box score looks better right now, but the luck-stripped projection flips it.

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

Zac Thornton wins 2 categories (K, WHIP); Robert Stock wins 1 (ERA); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Robert Stock
95.7
Zac Thornton
92.1
Swinging-Strike %lg 11.0% · higher = better
Robert Stock
12.1%
Zac Thornton
9.9%
Strikeout %lg 22.0% · higher = better
Robert Stock
19.7%
Zac Thornton
19.1%
Chase %lg 28.5% · higher = better
Robert Stock
29.0%
Zac Thornton
31.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Robert Stock
31.4%
Zac Thornton
39.7%
Barrel % Allowedlg 8.0% · lower = better
Robert Stock
7.0%
Zac Thornton
9.0%
xwOBA Allowedlg .315 · lower = better
Robert Stock
.327
Zac Thornton
.331
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
Robert Stock
25.52
lg xERA 4.10
now 1.80
4.10
Zac Thornton
25.52
lg xERA 4.10
now 4.35
4.46
WHIPlower is better
Robert Stock
.9001.58
now 0.60
1.30
Zac Thornton
.9001.58
now 1.16
1.28

Volume · rest of season
Strikeoutshigher is better
Robert Stock
4016.60
now 4
9
Zac Thornton
4016.60
now 10
11
Winshigher is better
Robert Stock
.000.480
now 0
00
Zac Thornton
.000.480
now 0
00

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

If you already own them — trade angle
Hold · wait & seeRobert Stock — hold.conf 0.55
SellZac Thornton — sell.conf 0.72
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