MLB Daily DeltaWeek 20 · August 6, 2026
Portrait of Mark Leiter Jr.
Mark Leiter Jr.
ATH · P
Change to
Portrait of Shawn Armstrong
Shawn Armstrong
CLE · P
Change to
Who's more valuable, rest of season

Shawn Armstrong.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and wins.

Head-to-head
K
ERA
WHIP
W
SV

Shawn Armstrong wins 3 categories (K, ERA, W); Mark Leiter Jr. wins 1 (SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Mark Leiter Jr.
92.2
Shawn Armstrong
93.5
Swinging-Strike %lg 11.0% · higher = better
Mark Leiter Jr.
14.0%
Shawn Armstrong
11.7%
Strikeout %lg 22.0% · higher = better
Mark Leiter Jr.
26.4%
Shawn Armstrong
22.6%
Chase %lg 28.5% · higher = better
Mark Leiter Jr.
33.8%
Shawn Armstrong
24.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Mark Leiter Jr.
31.9%
Shawn Armstrong
34.8%
Barrel % Allowedlg 8.0% · lower = better
Mark Leiter Jr.
3.3%
Shawn Armstrong
6.5%
xwOBA Allowedlg .315 · lower = better
Mark Leiter Jr.
.316
Shawn Armstrong
.308
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.
2.856.22
lg xERA 4.10
now 5.47
3.72
Shawn Armstrong
2.856.22
lg xERA 4.10
now 3.60
3.70
WHIPlower is better
Mark Leiter Jr.
1.151.55
now 1.46
1.24
Shawn Armstrong
1.151.55
now 1.33
1.24

Volume · rest of season
Strikeoutshigher is better
Mark Leiter Jr.
4030.60
now 25
15
Shawn Armstrong
4030.60
now 19
18
Winshigher is better
Mark Leiter Jr.
.0001.48
now 0
00
Shawn Armstrong
.0001.48
now 1
01
Saveshigher is better
Mark Leiter Jr.
.0005.60
now 4
23
Shawn Armstrong
.0005.60
now 0
0
If you already own them — trade angle
Hold · wait & seeMark Leiter Jr. — hold.conf 0.50
Hold · wait & seeShawn Armstrong — hold.conf 0.50
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