MLB Daily DeltaWeek 16 · July 13, 2026
Shane Bieber
TOR · P
Change to
Portrait of Tyler Mahle
Tyler Mahle
SF · 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

Shane Bieber wins 2 (ERA, WHIP); Tyler Mahle wins 2 (K, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Shane Bieber
92.2
Tyler Mahle
92.4
Swinging-Strike %lg 11.0% · higher = better
Shane Bieber
10.8%
Tyler Mahle
9.7%
Strikeout %lg 22.0% · higher = better
Shane Bieber
15.1%
Tyler Mahle
21.7%
Chase %lg 28.5% · higher = better
Shane Bieber
30.1%
Tyler Mahle
28.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Shane Bieber
55.6%
Tyler Mahle
34.9%
Barrel % Allowedlg 8.0% · lower = better
Shane Bieber
14.3%
Tyler Mahle
7.3%
xwOBA Allowedlg .315 · lower = better
Shane Bieber
.477
Tyler Mahle
.317
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
Shane Bieber
3.326.82
lg xERA 4.10
now 6.00
4.10
Tyler Mahle
3.326.82
lg xERA 4.10
now 6.04
4.16
WHIPlower is better
Shane Bieber
1.022.28
now 2.00
1.30
Tyler Mahle
1.022.28
now 1.54
1.39

Volume · rest of season
Strikeoutshigher is better
Shane Bieber
4085.80
now 6
48
Tyler Mahle
4085.80
now 57
63
Winshigher is better
Shane Bieber
.0001.48
now 0
00
Tyler Mahle
.0001.48
now 1
11

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

If you already own them — trade angle
Hold · wait & seeShane Bieber — hold.conf 0.50
Buy LowTyler Mahle — buy low. The dip is a window to acquire.conf 0.90
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