MLB Daily DeltaWeek 18 · July 27, 2026
Portrait of Gordon Graceffo
Gordon Graceffo
STL · P
Change to
Portrait of Ron Marinaccio
Ron Marinaccio
PIT · P
Change to
Who's more valuable, rest of season

Ron Marinaccio.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and WHIP. Gordon Graceffo’s box score looks better right now, but it’s built on luck that won’t hold.

Head-to-head
K
ERA
WHIP
W
SV

Ron Marinaccio wins 3 categories (K, ERA, WHIP); Gordon Graceffo wins 2 (W, SV).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Gordon Graceffo
95.5
Ron Marinaccio
93.8
Swinging-Strike %lg 11.0% · higher = better
Gordon Graceffo
7.5%
Ron Marinaccio
12.4%
Strikeout %lg 22.0% · higher = better
Gordon Graceffo
15.5%
Ron Marinaccio
18.4%
Chase %lg 28.5% · higher = better
Gordon Graceffo
24.7%
Ron Marinaccio
26.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Gordon Graceffo
46.6%
Ron Marinaccio
40.7%
Barrel % Allowedlg 8.0% · lower = better
Gordon Graceffo
11.5%
Ron Marinaccio
8.0%
xwOBA Allowedlg .315 · lower = better
Gordon Graceffo
.356
Ron Marinaccio
.346
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
Gordon Graceffo
26.10
lg xERA 4.10
now 1.80
4.87
Ron Marinaccio
26.10
lg xERA 4.10
now 4.06
4.64
WHIPlower is better
Gordon Graceffo
.9001.66
now 0.90
1.44
Ron Marinaccio
.9001.66
now 1.26
1.38

Volume · rest of season
Strikeoutshigher is better
Gordon Graceffo
4031
now 14
10
Ron Marinaccio
4031
now 25
22
Winshigher is better
Gordon Graceffo
.0005.60
now 4
14
Ron Marinaccio
.0005.60
now 1
01
Saveshigher is better
Gordon Graceffo
.0002.40
now 1
01
Ron Marinaccio
.0002.40
now 0
0
If you already own them — trade angle
Sell HighGordon Graceffo — sell high. His value is peaking; good time to trade him.conf 0.95
SellRon Marinaccio — sell.conf 0.86
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