MLB Daily DeltaWeek 19 · August 3, 2026
Germán Márquez
SD · P
Change to
Portrait of Kumar Rocker
Kumar Rocker
TEX · P
Change to
Who's more valuable, rest of season

Kumar Rocker.

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

Head-to-head
K
ERA
WHIP
W
SV n/a

Kumar Rocker wins 3 categories (K, ERA, WHIP); Germán Márquez wins 1 (W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Germán Márquez
94.6
Kumar Rocker
94.4
Swinging-Strike %lg 11.0% · higher = better
Germán Márquez
9.1%
Kumar Rocker
12.4%
Strikeout %lg 22.0% · higher = better
Germán Márquez
15.8%
Kumar Rocker
21.3%
Chase %lg 28.5% · higher = better
Germán Márquez
26.2%
Kumar Rocker
31.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Germán Márquez
41.9%
Kumar Rocker
42.1%
Barrel % Allowedlg 8.0% · lower = better
Germán Márquez
9.0%
Kumar Rocker
7.3%
xwOBA Allowedlg .315 · lower = better
Germán Márquez
.349
Kumar Rocker
.329
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
Germán Márquez
2.656.65
lg xERA 4.10
now 5.76
4.84
Kumar Rocker
2.656.65
lg xERA 4.10
now 3.54
4.41
WHIPlower is better
Germán Márquez
1.251.52
now 1.45
1.43
Kumar Rocker
1.251.52
now 1.32
1.34

Volume · rest of season
Strikeoutshigher is better
Germán Márquez
4054
now 19
28
Kumar Rocker
4054
now 44
32
Winshigher is better
Germán Márquez
.0006.60
now 3
25
Kumar Rocker
.0006.60
now 2
12

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
Sell HighGermán Márquez — sell high. His value is peaking; good time to trade him.conf 0.88
SellKumar Rocker — sell.conf 0.69
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