MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Mark Leiter Jr.
Mark Leiter Jr.
ATH · P
Change to
Raymond Burgos
BOS · P
Change to
Who's more valuable, rest of season

Raymond Burgos.

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

Head-to-head
K
ERA
WHIP
W
SV

Raymond Burgos wins 1 categories (ERA); Mark Leiter Jr. wins 0 (none); 4 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Mark Leiter Jr.
92.2
Raymond Burgos
90.5
Swinging-Strike %lg 11.0% · higher = better
Mark Leiter Jr.
14.0%
Raymond Burgos
10.8%
Strikeout %lg 22.0% · higher = better
Mark Leiter Jr.
26.4%
Raymond Burgos
19.0%
Chase %lg 28.5% · higher = better
Mark Leiter Jr.
33.8%
Raymond Burgos
33.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Mark Leiter Jr.
31.9%
Raymond Burgos
36.0%
Barrel % Allowedlg 8.0% · lower = better
Mark Leiter Jr.
3.3%
Raymond Burgos
8.0%
xwOBA Allowedlg .315 · lower = better
Mark Leiter Jr.
.316
Raymond Burgos
.285
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.
2.016.46
lg xERA 4.10
now 5.47
3.72
Raymond Burgos
2.016.46
lg xERA 4.10
now 3.00
3.70
WHIPlower is better
Mark Leiter Jr.
.9001.91
now 1.46
1.24
Raymond Burgos
.9001.91
now 0.33
1.24

Volume · rest of season
Strikeoutshigher is better
Mark Leiter Jr.
4033.40
now 25
5
Raymond Burgos
4033.40
now 4
5
Winshigher is better
Mark Leiter Jr.
.000.480
now 0
00
Raymond Burgos
.000.480
now 0
00
Saveshigher is better
Mark Leiter Jr.
.0005.40
now 4
11
Raymond Burgos
.0005.40
now 1
12
If you already own them — trade angle
Hold · wait & seeMark Leiter Jr. — hold.conf 0.50
Hold · wait & seeRaymond Burgos — hold.conf 0.50
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