MLB Daily DeltaWeek 19 · August 4, 2026
Portrait of Greg Weissert
Greg Weissert
BOS · P
Change to
Kyle Backhus
PHI · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 00, 4 even. Take whoever fills a bigger need.

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

Greg Weissert wins 0 (none); Kyle Backhus wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Greg Weissert
93.9
Kyle Backhus
90.7
Swinging-Strike %lg 11.0% · higher = better
Greg Weissert
11.3%
Kyle Backhus
8.1%
Strikeout %lg 22.0% · higher = better
Greg Weissert
22.5%
Kyle Backhus
21.3%
Chase %lg 28.5% · higher = better
Greg Weissert
34.0%
Kyle Backhus
28.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Greg Weissert
31.7%
Kyle Backhus
31.7%
Barrel % Allowedlg 8.0% · lower = better
Greg Weissert
4.8%
Kyle Backhus
4.8%
xwOBA Allowedlg .315 · lower = better
Greg Weissert
.287
Kyle Backhus
.307
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
Greg Weissert
3.305.05
lg xERA 4.10
now 4.24
3.69
Kyle Backhus
3.305.05
lg xERA 4.10
now 4.66
3.70
WHIPlower is better
Greg Weissert
1.171.48
now 1.41
1.24
Kyle Backhus
1.171.48
now 1.24
1.24

Volume · rest of season
Strikeoutshigher is better
Greg Weissert
4027.60
now 22
14
Kyle Backhus
4027.60
now 10
14
Winshigher is better
Greg Weissert
.000.480
now 0
00
Kyle Backhus
.000.480
now 0
00

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

If you already own them — trade angle
Hold · wait & seeGreg Weissert — hold.conf 0.50
Buy LowKyle Backhus — buy low. The dip is a window to acquire.conf 0.90
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