MLB Daily DeltaWeek 16 · July 13, 2026
Portrait of Brayan Bello
Brayan Bello
BOS · 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); Brayan Bello wins 1 (W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Brayan Bello
94.6
Tyler Mahle
92.4
Swinging-Strike %lg 11.0% · higher = better
Brayan Bello
12.2%
Tyler Mahle
9.7%
Strikeout %lg 22.0% · higher = better
Brayan Bello
15.6%
Tyler Mahle
21.7%
Chase %lg 28.5% · higher = better
Brayan Bello
31.9%
Tyler Mahle
28.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Brayan Bello
44.1%
Tyler Mahle
34.9%
Barrel % Allowedlg 8.0% · lower = better
Brayan Bello
9.9%
Tyler Mahle
7.3%
xwOBA Allowedlg .315 · lower = better
Brayan Bello
.377
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
Brayan Bello
3.416.79
lg xERA 4.10
now 5.63
5.48
Tyler Mahle
3.416.79
lg xERA 4.10
now 6.04
4.16
WHIPlower is better
Brayan Bello
1.291.74
now 1.64
1.45
Tyler Mahle
1.291.74
now 1.54
1.39

Volume · rest of season
Strikeoutshigher is better
Brayan Bello
4072.20
now 40
47
Tyler Mahle
4072.20
now 57
63
Winshigher is better
Brayan Bello
.2003.80
now 2
13
Tyler Mahle
.2003.80
now 1
11

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

If you already own them — trade angle
SellBrayan Bello — sell.conf 0.90
Buy LowTyler Mahle — buy low. The dip is a window to acquire.conf 0.90
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