MLB Daily DeltaWeek 17 · July 19, 2026
Portrait of Chase Silseth
Chase Silseth
LAA · P
Change to
Portrait of Ron Marinaccio
Ron Marinaccio
SD · P
Change to
Who's more valuable, rest of season

Chase Silseth.

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

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

Chase Silseth wins 2 categories (ERA, WHIP); Ron Marinaccio wins 1 (K); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Chase Silseth
96.0
Ron Marinaccio
93.8
Swinging-Strike %lg 11.0% · higher = better
Chase Silseth
16.2%
Ron Marinaccio
12.2%
Strikeout %lg 22.0% · higher = better
Chase Silseth
28.8%
Ron Marinaccio
18.6%
Chase %lg 28.5% · higher = better
Chase Silseth
31.1%
Ron Marinaccio
26.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Chase Silseth
32.2%
Ron Marinaccio
40.4%
Barrel % Allowedlg 8.0% · lower = better
Chase Silseth
10.0%
Ron Marinaccio
7.8%
xwOBA Allowedlg .315 · lower = better
Chase Silseth
.300
Ron Marinaccio
.339
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
Chase Silseth
24.99
lg xERA 4.10
now 1.74
3.70
Ron Marinaccio
24.99
lg xERA 4.10
now 4.06
3.82
WHIPlower is better
Chase Silseth
1.171.47
now 1.40
1.24
Ron Marinaccio
1.171.47
now 1.26
1.26

Volume · rest of season
Strikeoutshigher is better
Chase Silseth
4030.60
now 20
17
Ron Marinaccio
4030.60
now 25
25
Winshigher is better
Chase Silseth
.0001.48
now 1
11
Ron Marinaccio
.0001.48
now 1
01

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

If you already own them — trade angle
Hold · wait & seeChase Silseth — hold.conf 0.50
Hold · wait & seeRon Marinaccio — hold.conf 0.50
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