MLB Daily DeltaWeek 25 · September 10, 2026
Elvis Alvarado
ATH · P
Change to
Portrait of Mark Leiter Jr.
Mark Leiter Jr.
ATH · 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

Elvis Alvarado wins 2 (ERA, W); Mark Leiter Jr. wins 2 (K, SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Elvis Alvarado
98.8
Mark Leiter Jr.
92.2
Swinging-Strike %lg 11.0% · higher = better
Elvis Alvarado
16.1%
Mark Leiter Jr.
14.0%
Strikeout %lg 22.0% · higher = better
Elvis Alvarado
28.2%
Mark Leiter Jr.
26.4%
Chase %lg 28.5% · higher = better
Elvis Alvarado
29.6%
Mark Leiter Jr.
33.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Elvis Alvarado
48.7%
Mark Leiter Jr.
31.9%
Barrel % Allowedlg 8.0% · lower = better
Elvis Alvarado
14.8%
Mark Leiter Jr.
3.3%
xwOBA Allowedlg .315 · lower = better
Elvis Alvarado
.327
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
Elvis Alvarado
28.25
lg xERA 4.10
now 8.38
3.70
Mark Leiter Jr.
28.25
lg xERA 4.10
now 5.47
3.72
WHIPlower is better
Elvis Alvarado
.9902.11
now 1.86
1.24
Mark Leiter Jr.
.9902.11
now 1.46
1.24

Volume · rest of season
Strikeoutshigher is better
Elvis Alvarado
4033.40
now 9
4
Mark Leiter Jr.
4033.40
now 25
5
Winshigher is better
Elvis Alvarado
.0002.80
now 2
01
Mark Leiter Jr.
.0002.80
now 0
00
Saveshigher is better
Elvis Alvarado
.0005.60
now 0
0
Mark Leiter Jr.
.0005.60
now 4
11
If you already own them — trade angle
Hold · wait & seeElvis Alvarado — hold.conf 0.50
Hold · wait & seeMark Leiter Jr. — hold.conf 0.50
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