MLB Daily DeltaWeek 17 · July 22, 2026
Portrait of Connor Prielipp
Connor Prielipp
MIN · P
Change to
Portrait of Mitch Keller
Mitch Keller
PIT · P
Change to
Who's more valuable, rest of season

Connor Prielipp.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and WHIP. Mitch Keller’s box score looks better right now, but the luck-stripped projection flips it.

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

Connor Prielipp wins 3 categories (K, ERA, WHIP); Mitch Keller wins 1 (W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Connor Prielipp
95.4
Mitch Keller
93.4
Swinging-Strike %lg 11.0% · higher = better
Connor Prielipp
10.6%
Mitch Keller
9.6%
Strikeout %lg 22.0% · higher = better
Connor Prielipp
24.1%
Mitch Keller
17.4%
Chase %lg 28.5% · higher = better
Connor Prielipp
30.8%
Mitch Keller
29.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Connor Prielipp
39.6%
Mitch Keller
42.6%
Barrel % Allowedlg 8.0% · lower = better
Connor Prielipp
9.4%
Mitch Keller
7.4%
xwOBA Allowedlg .315 · lower = better
Connor Prielipp
.318
Mitch Keller
.353
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
Connor Prielipp
3.835.50
lg xERA 4.10
now 5.13
4.20
Mitch Keller
3.835.50
lg xERA 4.10
now 4.35
4.93
WHIPlower is better
Connor Prielipp
1.091.45
now 1.35
1.33
Mitch Keller
1.091.45
now 1.17
1.37

Volume · rest of season
Strikeoutshigher is better
Connor Prielipp
4057.40
now 35
49
Mitch Keller
4057.40
now 51
45
Winshigher is better
Connor Prielipp
.0008
now 1
12
Mitch Keller
.0008
now 5
36

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

If you already own them — trade angle
Buy LowConnor Prielipp — buy low. The dip is a window to acquire.conf 0.82
SellMitch Keller — sell.conf 0.90
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