MLB Daily DeltaWeek 17 · July 19, 2026
Portrait of Juan Mejia
Juan Mejia
COL · P
Change to
Portrait of Mitchell Parker
Mitchell Parker
WSH · P
Change to
Who's more valuable, rest of season

Juan Mejia.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and saves. Mitchell Parker’s box score looks better right now, but the luck-stripped projection flips it.

Head-to-head
K
ERA
WHIP
W
SV

Juan Mejia wins 3 categories (K, ERA, SV); Mitchell Parker wins 2 (WHIP, W).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Juan Mejia
97.4
Mitchell Parker
93.6
Swinging-Strike %lg 11.0% · higher = better
Juan Mejia
13.1%
Mitchell Parker
14.1%
Strikeout %lg 22.0% · higher = better
Juan Mejia
23.0%
Mitchell Parker
19.1%
Chase %lg 28.5% · higher = better
Juan Mejia
32.0%
Mitchell Parker
32.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Juan Mejia
39.8%
Mitchell Parker
41.9%
Barrel % Allowedlg 8.0% · lower = better
Juan Mejia
4.1%
Mitchell Parker
8.5%
xwOBA Allowedlg .315 · lower = better
Juan Mejia
.317
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
Juan Mejia
2.826.91
lg xERA 4.10
now 6.00
3.73
Mitchell Parker
2.826.91
lg xERA 4.10
now 5.28
3.82
WHIPlower is better
Juan Mejia
.9601.91
now 1.70
1.26
Mitchell Parker
.9601.91
now 1.17
1.25

Volume · rest of season
Strikeoutshigher is better
Juan Mejia
4035.60
now 30
26
Mitchell Parker
4035.60
now 26
25
Winshigher is better
Juan Mejia
.2003.80
now 1
11
Mitchell Parker
.2003.80
now 2
13
Saveshigher is better
Juan Mejia
.0004.40
now 3
23
Mitchell Parker
.0004.40
now 1
11
If you already own them — trade angle
Buy LowJuan Mejia — buy low. The dip is a window to acquire.conf 0.90
Hold · wait & seeMitchell Parker — hold.conf 0.55
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