MLB Daily DeltaWeek 13 · June 19, 2026
Chase Petty
CIN · 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 and wins.

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

Tyler Mahle wins 2 categories (K, W); Chase Petty wins 1 (WHIP); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Chase Petty
97.1
Tyler Mahle
92.2
Swinging-Strike %lg 11.0% · higher = better
Chase Petty
10.5%
Tyler Mahle
8.7%
Strikeout %lg 22.0% · higher = better
Chase Petty
6.3%
Tyler Mahle
22.9%
Chase %lg 28.5% · higher = better
Chase Petty
32.0%
Tyler Mahle
28.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Chase Petty
35.2%
Tyler Mahle
35.7%
Barrel % Allowedlg 8.0% · lower = better
Chase Petty
9.3%
Tyler Mahle
8.3%
xwOBA Allowedlg .315 · lower = better
Chase Petty
.363
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
Chase Petty
3.177.26
lg xERA 4.10
now 6.35
4.10
Tyler Mahle
3.177.26
lg xERA 4.10
now 6.04
4.08
WHIPlower is better
Chase Petty
1.121.66
now 1.24
1.30
Tyler Mahle
1.121.66
now 1.54
1.38

Volume · rest of season
Strikeoutshigher is better
Chase Petty
40121
now 2
16
Tyler Mahle
40121
now 57
87
Winshigher is better
Chase Petty
.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 HighChase Petty — sell high. His value is peaking; good time to trade him.conf 0.90
Buy LowTyler Mahle — buy low. The dip is a window to acquire.conf 0.90
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