MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Chase Silseth
Chase Silseth
TEX · P
Change to
Portrait of Juan Mejia
Juan Mejia
COL · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Chase Silseth wins 2 (ERA, WHIP); Juan Mejia wins 2 (K, SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Chase Silseth
95.9
Juan Mejia
97.0
Swinging-Strike %lg 11.0% · higher = better
Chase Silseth
15.3%
Juan Mejia
11.5%
Strikeout %lg 22.0% · higher = better
Chase Silseth
26.1%
Juan Mejia
19.9%
Chase %lg 28.5% · higher = better
Chase Silseth
30.4%
Juan Mejia
30.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Chase Silseth
32.6%
Juan Mejia
37.9%
Barrel % Allowedlg 8.0% · lower = better
Chase Silseth
9.2%
Juan Mejia
3.3%
xwOBA Allowedlg .315 · lower = better
Chase Silseth
.314
Juan Mejia
.338
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
27.70
lg xERA 4.10
now 1.74
3.99
Juan Mejia
27.70
lg xERA 4.10
now 6.00
4.47
WHIPlower is better
Chase Silseth
1.281.82
now 1.40
1.43
Juan Mejia
1.281.82
now 1.70
1.53

Volume · rest of season
Strikeoutshigher is better
Chase Silseth
4040.40
now 20
4
Juan Mejia
4040.40
now 30
6
Winshigher is better
Chase Silseth
.0001.48
now 1
00
Juan Mejia
.0001.48
now 1
00
Saveshigher is better
Chase Silseth
.0004.40
now 0
0
Juan Mejia
.0004.40
now 3
01
If you already own them — trade angle
Hold · steadyChase Silseth — hold.conf 0.60
Hold · leans sellJuan Mejia — hold.conf 0.60
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