MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Framber Valdez
Framber Valdez
DET · P
Change to
Quinn Mathews
STL · P
Change to
Who's more valuable, rest of season

Quinn Mathews.

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

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

Quinn Mathews wins 2 categories (ERA, WHIP); Framber Valdez 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
Framber Valdez
94.8
Quinn Mathews
93.6
Swinging-Strike %lg 11.0% · higher = better
Framber Valdez
9.2%
Quinn Mathews
11.7%
Strikeout %lg 22.0% · higher = better
Framber Valdez
17.3%
Quinn Mathews
20.4%
Chase %lg 28.5% · higher = better
Framber Valdez
31.1%
Quinn Mathews
26.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Framber Valdez
42.7%
Quinn Mathews
36.2%
Barrel % Allowedlg 8.0% · lower = better
Framber Valdez
5.8%
Quinn Mathews
2.1%
xwOBA Allowedlg .315 · lower = better
Framber Valdez
.324
Quinn Mathews
.291
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
Framber Valdez
3.284.71
lg xERA 4.10
now 4.39
4.32
Quinn Mathews
3.284.71
lg xERA 4.10
now 3.60
4.10
WHIPlower is better
Framber Valdez
1.102
now 1.32
1.39
Quinn Mathews
1.102
now 1.80
1.30

Volume · rest of season
Strikeoutshigher is better
Framber Valdez
4074.40
now 54
11
Quinn Mathews
4074.40
now 3
6
Winshigher is better
Framber Valdez
.0002.80
now 2
01
Quinn Mathews
.0002.80
now 0
00

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

If you already own them — trade angle
SellFramber Valdez — sell.conf 0.65
Buy LowQuinn Mathews — buy low. The dip is a window to acquire.conf 0.78
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