MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Peter Lambert
Peter Lambert
HOU · P
Change to
Portrait of Ryan Weathers
Ryan Weathers
NYY · 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 (ERA, W); Ryan Weathers wins 2 (K, WHIP); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Peter Lambert
94.2
Ryan Weathers
95.8
Swinging-Strike %lg 11.0% · higher = better
Peter Lambert
11.9%
Ryan Weathers
11.7%
Strikeout %lg 22.0% · higher = better
Peter Lambert
22.1%
Ryan Weathers
26.6%
Chase %lg 28.5% · higher = better
Peter Lambert
28.7%
Ryan Weathers
29.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Peter Lambert
39.1%
Ryan Weathers
41.6%
Barrel % Allowedlg 8.0% · lower = better
Peter Lambert
6.3%
Ryan Weathers
11.9%
xwOBA Allowedlg .315 · lower = better
Peter Lambert
.294
Ryan Weathers
.323
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
3.204.51
lg xERA 4.10
now 3.77
3.49
Ryan Weathers
3.204.51
lg xERA 4.10
now 3.52
4.22
WHIPlower is better
Peter Lambert
1.061.41
now 1.21
1.33
Ryan Weathers
1.061.41
now 1.14
1.19

Volume · rest of season
Strikeoutshigher is better
Peter Lambert
40117.20
now 43
70
Ryan Weathers
40117.20
now 75
96
Winshigher is better
Peter Lambert
.00013.20
now 4
510
Ryan Weathers
.00013.20
now 2
24

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

If you already own them — trade angle
BuyPeter Lambert — buy.conf 0.78
Hold · leans sellRyan Weathers — hold.conf 0.60
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