MLB Daily DeltaWeek 25 · September 11, 2026
Brian Serven
ATH · C
Change to
Portrait of Joe Mack
Joe Mack
MIA · C
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
HR
R
RBI
SB
AVG

Brian Serven wins 2 (HR, AVG); Joe Mack wins 2 (R, RBI); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Avg Exit Velolg 89.0 · higher = better
Brian Serven
88.6
Joe Mack
88.5
Hard-Hit %lg 40.0% · higher = better
Brian Serven
33.3%
Joe Mack
38.6%
Barrel %lg 8.0% · higher = better
Brian Serven
10.4%
Joe Mack
8.4%
Chase %lg 28.5% · lower = better
Brian Serven
31.5%
Joe Mack
27.8%
Swinging-Strike %lg 11.0% · lower = better
Brian Serven
15.1%
Joe Mack
12.1%
xwOBAlg .315 · higher = better
Brian Serven
.292
Joe Mack
.292
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 · batting average
AVGhigher is better
Brian Serven
.200.270
lg AVG .295
now .250
.240
Joe Mack
.200.270
lg AVG .295
now .209
.222

Volume · counting stats
Home Runshigher is better
Brian Serven
52.20
now 0
1
Joe Mack
52.20
now 0
0
Runshigher is better
Brian Serven
2010.20
now 0
0
Joe Mack
2010.20
now 7
3
RBIhigher is better
Brian Serven
209.20
now 0
0
Joe Mack
209.20
now 6
3
Stolen Baseshigher is better
Brian Serven
.0001.20
now 0
0
Joe Mack
.0001.20
now 0
0
If you already own them — trade angle
Hold · wait & seeBrian Serven — hold.conf 0.50
SellJoe Mack — sell.conf 0.60
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