MLB Daily DeltaWeek 19 · August 4, 2026
Portrait of Mark Leiter Jr.
Mark Leiter Jr.
ATH · P
Change to
Portrait of Tyler Rogers
Tyler Rogers
TOR · 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, WHIP, and saves. Tyler Rogers’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, WHIP, SV); Tyler Rogers wins 2 (ERA, W).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Mark Leiter Jr.
92.2
Tyler Rogers
83.2
Swinging-Strike %lg 11.0% · higher = better
Mark Leiter Jr.
14.0%
Tyler Rogers
7.1%
Strikeout %lg 22.0% · higher = better
Mark Leiter Jr.
26.4%
Tyler Rogers
13.5%
Chase %lg 28.5% · higher = better
Mark Leiter Jr.
33.8%
Tyler Rogers
27.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Mark Leiter Jr.
31.9%
Tyler Rogers
26.6%
Barrel % Allowedlg 8.0% · lower = better
Mark Leiter Jr.
3.3%
Tyler Rogers
1.3%
xwOBA Allowedlg .315 · lower = better
Mark Leiter Jr.
.316
Tyler Rogers
.256
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.
26.71
lg xERA 4.10
now 5.47
3.72
Tyler Rogers
26.71
lg xERA 4.10
now 2.36
2.69
WHIPlower is better
Mark Leiter Jr.
11.59
now 1.46
1.24
Tyler Rogers
11.59
now 1.13
1.35

Volume · rest of season
Strikeoutshigher is better
Mark Leiter Jr.
4030.60
now 25
15
Tyler Rogers
4030.60
now 16
11
Winshigher is better
Mark Leiter Jr.
.0001.48
now 0
00
Tyler Rogers
.0001.48
now 1
01
Saveshigher is better
Mark Leiter Jr.
.0005.40
now 4
23
Tyler Rogers
.0005.40
now 2
12
If you already own them — trade angle
Hold · wait & seeMark Leiter Jr. — hold.conf 0.50
Sell HighTyler Rogers — sell high. His value is peaking; good time to trade him.conf 0.95
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