MLB Daily DeltaWeek 17 · July 21, 2026
Portrait of Peter Lambert
Peter Lambert
HOU · P
Change to
Portrait of Sonny Gray
Sonny Gray
BOS · 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

Peter Lambert wins 2 (K, ERA); Sonny Gray wins 2 (WHIP, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Peter Lambert
94.0
Sonny Gray
91.7
Swinging-Strike %lg 11.0% · higher = better
Peter Lambert
12.3%
Sonny Gray
10.4%
Strikeout %lg 22.0% · higher = better
Peter Lambert
24.0%
Sonny Gray
22.1%
Chase %lg 28.5% · higher = better
Peter Lambert
29.3%
Sonny Gray
32.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Peter Lambert
36.7%
Sonny Gray
36.6%
Barrel % Allowedlg 8.0% · lower = better
Peter Lambert
6.5%
Sonny Gray
7.0%
xwOBA Allowedlg .315 · lower = better
Peter Lambert
.282
Sonny Gray
.296
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
Peter Lambert
2.784.05
lg xERA 4.10
now 3.77
3.28
Sonny Gray
2.784.05
lg xERA 4.10
now 3.06
3.64
WHIPlower is better
Peter Lambert
1.131.36
now 1.21
1.29
Sonny Gray
1.131.36
now 1.20
1.26

Volume · rest of season
Strikeoutshigher is better
Peter Lambert
4050.60
now 43
45
Sonny Gray
4050.60
now 41
43
Winshigher is better
Peter Lambert
.60011.40
now 4
36
Sonny Gray
.60011.40
now 6
49

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

If you already own them — trade angle
BuyPeter Lambert — buy.conf 0.85
Sell HighSonny Gray — sell high. His value is peaking; good time to trade him.conf 0.95
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