MLB Daily DeltaWeek 15 · July 8, 2026
Portrait of Justin Sterner
Justin Sterner
ATH · P
Change to
Portrait of Mitchell Parker
Mitchell Parker
WSH · 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

Justin Sterner wins 2 (ERA, WHIP); Mitchell Parker wins 2 (K, SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Justin Sterner
93.4
Mitchell Parker
93.6
Swinging-Strike %lg 11.0% · higher = better
Justin Sterner
16.2%
Mitchell Parker
14.1%
Strikeout %lg 22.0% · higher = better
Justin Sterner
24.1%
Mitchell Parker
19.1%
Chase %lg 28.5% · higher = better
Justin Sterner
35.6%
Mitchell Parker
32.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Justin Sterner
44.4%
Mitchell Parker
41.9%
Barrel % Allowedlg 8.0% · lower = better
Justin Sterner
8.5%
Mitchell Parker
8.5%
xwOBA Allowedlg .315 · lower = better
Justin Sterner
.265
Mitchell Parker
.347
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
Justin Sterner
2.845.98
lg xERA 4.10
now 3.54
3.64
Mitchell Parker
2.845.98
lg xERA 4.10
now 5.28
3.82
WHIPlower is better
Justin Sterner
1.041.32
now 1.11
1.24
Mitchell Parker
1.041.32
now 1.17
1.25

Volume · rest of season
Strikeoutshigher is better
Justin Sterner
4034.60
now 26
25
Mitchell Parker
4034.60
now 26
29
Winshigher is better
Justin Sterner
.2003.80
now 2
13
Mitchell Parker
.2003.80
now 2
23
Saveshigher is better
Justin Sterner
.0003.40
now 0
0
Mitchell Parker
.0003.40
now 1
12
If you already own them — trade angle
Hold · wait & seeJustin Sterner — hold.conf 0.50
Hold · wait & seeMitchell Parker — hold.conf 0.55
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