MLB Daily DeltaWeek 17 · July 19, 2026
Portrait of Mark Leiter Jr.
Mark Leiter Jr.
ATH · P
Change to
Portrait of Tyler Alexander
Tyler Alexander
TEX · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Mark Leiter Jr. wins 2 (K, SV); Tyler Alexander wins 2 (ERA, 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
Tyler Alexander
91.8
Swinging-Strike %lg 11.0% · higher = better
Mark Leiter Jr.
14.0%
Tyler Alexander
9.8%
Strikeout %lg 22.0% · higher = better
Mark Leiter Jr.
26.1%
Tyler Alexander
22.1%
Chase %lg 28.5% · higher = better
Mark Leiter Jr.
35.0%
Tyler Alexander
31.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Mark Leiter Jr.
31.5%
Tyler Alexander
35.0%
Barrel % Allowedlg 8.0% · lower = better
Mark Leiter Jr.
3.4%
Tyler Alexander
3.3%
xwOBA Allowedlg .315 · lower = better
Mark Leiter Jr.
.314
Tyler Alexander
.274
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.
2.186.41
lg xERA 4.10
now 5.47
3.72
Tyler Alexander
2.186.41
lg xERA 4.10
now 3.12
3.67
WHIPlower is better
Mark Leiter Jr.
1.151.55
now 1.46
1.24
Tyler Alexander
1.151.55
now 1.38
1.24

Volume · rest of season
Strikeoutshigher is better
Mark Leiter Jr.
4030.60
now 25
21
Tyler Alexander
4030.60
now 21
16
Winshigher is better
Mark Leiter Jr.
.0001.48
now 0
00
Tyler Alexander
.0001.48
now 1
01
Saveshigher is better
Mark Leiter Jr.
.0005.40
now 4
24
Tyler Alexander
.0005.40
now 2
13
If you already own them — trade angle
Hold · wait & seeMark Leiter Jr. — hold.conf 0.50
Hold · wait & seeTyler Alexander — hold.conf 0.50
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