MLB Daily DeltaWeek 15 · July 6, 2026
Portrait of Kyle Leahy
Kyle Leahy
STL · P
Change to
Portrait of Tyler Mahle
Tyler Mahle
SF · P
Change to
Who's more valuable, rest of season

Tyler Mahle.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and WHIP.

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

Tyler Mahle wins 3 categories (K, ERA, WHIP); Kyle Leahy wins 1 (W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Kyle Leahy
94.1
Tyler Mahle
92.4
Swinging-Strike %lg 11.0% · higher = better
Kyle Leahy
10.0%
Tyler Mahle
9.1%
Strikeout %lg 22.0% · higher = better
Kyle Leahy
19.3%
Tyler Mahle
22.3%
Chase %lg 28.5% · higher = better
Kyle Leahy
26.1%
Tyler Mahle
28.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Kyle Leahy
50.4%
Tyler Mahle
36.1%
Barrel % Allowedlg 8.0% · lower = better
Kyle Leahy
11.3%
Tyler Mahle
8.2%
xwOBA Allowedlg .315 · lower = better
Kyle Leahy
.359
Tyler Mahle
.322
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
Kyle Leahy
3.536.76
lg xERA 4.10
now 4.25
5.04
Tyler Mahle
3.536.76
lg xERA 4.10
now 6.04
4.25
WHIPlower is better
Kyle Leahy
1.331.63
now 1.56
1.41
Tyler Mahle
1.331.63
now 1.54
1.40

Volume · rest of season
Strikeoutshigher is better
Kyle Leahy
4078.20
now 46
56
Tyler Mahle
4078.20
now 57
69
Winshigher is better
Kyle Leahy
.00010.80
now 5
48
Tyler Mahle
.00010.80
now 1
12

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

If you already own them — trade angle
SellKyle Leahy — sell.conf 0.90
Hold · leans sellTyler Mahle — hold.conf 0.60
Tweet