MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Joe Mack
Joe Mack
MIA · C
Change to
Yainer Diaz
HOU · C
Change to
Who's more valuable, rest of season

Joe Mack.

He projects to help you in more roto categories the rest of the way — home runs, runs, and average. Yainer Diaz’s box score looks better right now, but the luck-stripped projection flips it.

Head-to-head
HR
R
RBI
SB
AVG

Joe Mack wins 3 categories (HR, R, AVG); Yainer Diaz wins 1 (RBI); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Avg Exit Velolg 89.0 · higher = better
Joe Mack
89.6
Yainer Diaz
87.5
Hard-Hit %lg 40.0% · higher = better
Joe Mack
38.9%
Yainer Diaz
27.8%
Barrel %lg 8.0% · higher = better
Joe Mack
9.7%
Yainer Diaz
3.3%
Chase %lg 28.5% · lower = better
Joe Mack
26.0%
Yainer Diaz
42.5%
Swinging-Strike %lg 11.0% · lower = better
Joe Mack
11.0%
Yainer Diaz
13.3%
xwOBAlg .315 · higher = better
Joe Mack
.317
Yainer Diaz
.264
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
Joe Mack
.200.270
lg AVG .295
now .209
.255
Yainer Diaz
.200.270
lg AVG .295
now .238
.245

Volume · counting stats
Home Runshigher is better
Joe Mack
59.80
now 0
7
Yainer Diaz
59.80
now 2
6
Runshigher is better
Joe Mack
2026.60
now 7
21
Yainer Diaz
2026.60
now 7
16
RBIhigher is better
Joe Mack
2042.40
now 6
18
Yainer Diaz
2042.40
now 14
32
Stolen Baseshigher is better
Joe Mack
.0001.20
now 0
0
Yainer Diaz
.0001.20
now 0
0
If you already own them — trade angle
Hold · wait & seeJoe Mack — hold.conf 0.50
Hold · wait & seeYainer Diaz — hold.conf 0.50
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