MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Tanner Bibee
Tanner Bibee
CLE · 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 wins. Tanner Bibee’s box score looks better right now, but it’s built on luck that won’t hold.

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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Tanner Bibee
94.1
Tyler Mahle
92.2
Swinging-Strike %lg 11.0% · higher = better
Tanner Bibee
12.6%
Tyler Mahle
8.7%
Strikeout %lg 22.0% · higher = better
Tanner Bibee
20.8%
Tyler Mahle
22.9%
Chase %lg 28.5% · higher = better
Tanner Bibee
26.0%
Tyler Mahle
28.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Tanner Bibee
45.1%
Tyler Mahle
35.7%
Barrel % Allowedlg 8.0% · lower = better
Tanner Bibee
10.2%
Tyler Mahle
8.3%
xwOBA Allowedlg .315 · lower = better
Tanner Bibee
.336
Tyler Mahle
.316
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
Tanner Bibee
3.306.82
lg xERA 4.10
now 4.57
4.47
Tyler Mahle
3.306.82
lg xERA 4.10
now 6.04
4.08
WHIPlower is better
Tanner Bibee
1.191.64
now 1.30
1.29
Tyler Mahle
1.191.64
now 1.54
1.38

Volume · rest of season
Strikeoutshigher is better
Tanner Bibee
4599
now 60
82
Tyler Mahle
4599
now 57
87
Winshigher is better
Tanner Bibee
.0002.80
now 0
00
Tyler Mahle
.0002.80
now 1
12

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

If you already own them — trade angle
Sell HighTanner Bibee — sell high. His value is peaking; good time to trade him.conf 0.93
Buy LowTyler Mahle — buy low. The dip is a window to acquire.conf 0.90
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