MLB Daily DeltaWeek 25 · September 11, 2026
Portrait of Mark Leiter Jr.
Mark Leiter Jr.
ATH · P
Change to
PJ Poulin
WSH · 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 — ERA, WHIP, and saves.

Head-to-head
K
ERA
WHIP
W
SV

Mark Leiter Jr. wins 3 categories (ERA, WHIP, SV); PJ Poulin wins 1 (W); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Mark Leiter Jr.
92.2
PJ Poulin
90.1
Swinging-Strike %lg 11.0% · higher = better
Mark Leiter Jr.
14.0%
PJ Poulin
6.8%
Strikeout %lg 22.0% · higher = better
Mark Leiter Jr.
26.4%
PJ Poulin
16.3%
Chase %lg 28.5% · higher = better
Mark Leiter Jr.
33.8%
PJ Poulin
23.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Mark Leiter Jr.
31.9%
PJ Poulin
44.3%
Barrel % Allowedlg 8.0% · lower = better
Mark Leiter Jr.
3.3%
PJ Poulin
9.4%
xwOBA Allowedlg .315 · lower = better
Mark Leiter Jr.
.316
PJ Poulin
.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
Mark Leiter Jr.
2.296.38
lg xERA 4.10
now 5.47
3.72
PJ Poulin
2.296.38
lg xERA 4.10
now 3.20
3.78
WHIPlower is better
Mark Leiter Jr.
1.151.55
now 1.46
1.24
PJ Poulin
1.151.55
now 1.46
1.26

Volume · rest of season
Strikeoutshigher is better
Mark Leiter Jr.
4033.40
now 25
4
PJ Poulin
4033.40
now 18
4
Winshigher is better
Mark Leiter Jr.
.0004.20
now 0
00
PJ Poulin
.0004.20
now 3
01
Saveshigher is better
Mark Leiter Jr.
.0005.60
now 4
01
PJ Poulin
.0005.60
now 2
00
If you already own them — trade angle
Hold · wait & seeMark Leiter Jr. — hold.conf 0.50
Sell HighPJ Poulin — sell high. His value is peaking; good time to trade him.conf 0.95
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