MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Coby Mayo
Coby Mayo
BAL · 3B
Change to
Portrait of Matt Chapman
Matt Chapman
SF · 3B
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 0–0, 5 even. Take whoever fills a bigger need.

Head-to-head
HR
R
RBI
SB
AVG

Coby Mayo wins 0 (none); Matt Chapman wins 0 (none); 5 even.

04

Under the hood

Underlying skill — each value vs league avg
Avg Exit Velolg 89.0 · higher = better
Coby Mayo
91.3
Matt Chapman
88.2
Hard-Hit %lg 40.0% · higher = better
Coby Mayo
47.3%
Matt Chapman
35.8%
Barrel %lg 8.0% · higher = better
Coby Mayo
13.5%
Matt Chapman
6.6%
Chase %lg 28.5% · lower = better
Coby Mayo
31.3%
Matt Chapman
26.4%
Swinging-Strike %lg 11.0% · lower = better
Coby Mayo
13.7%
Matt Chapman
10.3%
xwOBAlg .315 · higher = better
Coby Mayo
.336
Matt Chapman
.286
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
Coby Mayo
.200.330
lg AVG .295
now .199
.000
Matt Chapman
.200.330
lg AVG .295
now .234
.000

Volume · counting stats
Home Runshigher is better
Coby Mayo
58.40
now 6
0
Matt Chapman
58.40
now 2
0
Runshigher is better
Coby Mayo
2037.80
now 18
0
Matt Chapman
2037.80
now 27
0
RBIhigher is better
Coby Mayo
2029.40
now 19
0
Matt Chapman
2029.40
now 21
0
Stolen Baseshigher is better
Coby Mayo
.0002.20
now 1
0
Matt Chapman
.0002.20
now 0
0
If you already own them — trade angle
BuyCoby Mayo — buy.conf 0.64
SellMatt Chapman — sell.conf 0.61
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