MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Cal Quantrill
Cal Quantrill
TEX · P
Change to
Portrait of Mark Leiter Jr.
Mark Leiter Jr.
ATH · P
Change to
Who's more valuable, rest of season

Mark Leiter Jr..

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and saves. Cal Quantrill’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

Mark Leiter Jr. wins 3 categories (K, ERA, SV); Cal Quantrill wins 2 (WHIP, W).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Cal Quantrill
93.8
Mark Leiter Jr.
92.2
Swinging-Strike %lg 11.0% · higher = better
Cal Quantrill
9.5%
Mark Leiter Jr.
14.0%
Strikeout %lg 22.0% · higher = better
Cal Quantrill
18.5%
Mark Leiter Jr.
26.4%
Chase %lg 28.5% · higher = better
Cal Quantrill
30.1%
Mark Leiter Jr.
33.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Cal Quantrill
36.2%
Mark Leiter Jr.
31.9%
Barrel % Allowedlg 8.0% · lower = better
Cal Quantrill
7.8%
Mark Leiter Jr.
3.3%
xwOBA Allowedlg .315 · lower = better
Cal Quantrill
.305
Mark Leiter Jr.
.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
Cal Quantrill
26.65
lg xERA 4.10
now 2.53
3.82
Mark Leiter Jr.
26.65
lg xERA 4.10
now 5.47
3.72
WHIPlower is better
Cal Quantrill
1.121.56
now 1.22
1.23
Mark Leiter Jr.
1.121.56
now 1.46
1.24

Volume · rest of season
Strikeoutshigher is better
Cal Quantrill
4033.40
now 14
4
Mark Leiter Jr.
4033.40
now 25
5
Winshigher is better
Cal Quantrill
.0002.80
now 2
01
Mark Leiter Jr.
.0002.80
now 0
00
Saveshigher is better
Cal Quantrill
.0005.60
now 0
0
Mark Leiter Jr.
.0005.60
now 4
11
If you already own them — trade angle
Sell HighCal Quantrill — sell high. His value is peaking; good time to trade him.conf 0.95
Hold · wait & seeMark Leiter Jr. — hold.conf 0.50
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