MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of John King
John King
MIA · P
Change to
Portrait of Ron Marinaccio
Ron Marinaccio
SD · P
Change to
Who's more valuable, rest of season

John King.

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

Head-to-head
K
ERA
WHIP
W
SV

John King wins 3 categories (ERA, WHIP, SV); Ron Marinaccio wins 1 (K); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
John King
90.5
Ron Marinaccio
93.7
Swinging-Strike %lg 11.0% · higher = better
John King
11.0%
Ron Marinaccio
12.9%
Strikeout %lg 22.0% · higher = better
John King
21.6%
Ron Marinaccio
20.5%
Chase %lg 28.5% · higher = better
John King
33.5%
Ron Marinaccio
26.9%
Hard-Hit % Allowedlg 40.0% · lower = better
John King
31.6%
Ron Marinaccio
40.0%
Barrel % Allowedlg 8.0% · lower = better
John King
7.6%
Ron Marinaccio
7.3%
xwOBA Allowedlg .315 · lower = better
John King
.272
Ron Marinaccio
.323
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
John King
24.68
lg xERA 4.10
now 2.52
3.67
Ron Marinaccio
24.68
lg xERA 4.10
now 4.06
3.76
WHIPlower is better
John King
.9001.48
now 0.72
1.24
Ron Marinaccio
.9001.48
now 1.26
1.25

Volume · rest of season
Strikeoutshigher is better
John King
4043.80
now 20
22
Ron Marinaccio
4043.80
now 25
37
Winshigher is better
John King
.5202.48
now 1
12
Ron Marinaccio
.5202.48
now 1
12
Saveshigher is better
John King
.0003.40
now 1
12
Ron Marinaccio
.0003.40
now 0
0
If you already own them — trade angle
Sell HighJohn King — sell high. His value is peaking; good time to trade him.conf 0.81
Hold · wait & seeRon Marinaccio — hold.conf 0.50
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