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CardViper Intelligence

Justin Slaten Buzz normal 15-Day IL We receive a commission for purchases made.

Baseball Boston Red Sox P · Age 28 Recent Updated yesterday · Snapshot: 2026-09-11
Heat Score What Heat means Heat is CardViper's daily player signal. It blends card-market activity, search/listing movement, news, social buzz, and recent change to show who collectors are watching right now.
7.5
Today
Delta Heat
-0.7
vs reference
Heat Rank
#1376
of 4,002 players
Move Rank (7d)
#3242
of 4,002
Buzz (7d total)
5
Latest: 2
Today's Listings
1,288
eBay active
Avg Listings (7d)
1,289
7-day average
Player intelligence
Developing signal
Heat at 7.5 with -0.7 movement; miss bats is the leading performance input; 1,288 active listings keep the card trail visible.
45
AI read
Full Stats
2026
4.60
ERA
1.37
WHIP
11.20
K9
2.30
BB9
2
W
4
L
0
SV
31.1
IP
39
K
Projected End of Season
If availability holds: about 153 games left
9
W
17
L
0
SV
166
K
Advanced Metrics
Performance model
Miss bats
Strikeout pressure
11.2 K/9
Command
Free-pass control
2.3 BB/9
Run prevention
Surface results
4.60 ERA
Market Fit
Stats to eBay
Market Activity
Active eBay listings
68/100
Momentum
Heat score movement
8/100
Heat Score History What Heat means Heat is CardViper's daily player signal. It blends card-market activity, search/listing movement, news, social buzz, and recent change to show who collectors are watching right now.
Last 30 days
Showing available data - gaps indicate days not yet collected
Aug 15Aug 23Aug 31Sep 8Sep 11
30d Peak: 27.2 - Aug 19 Low: 4.5 Avg: 10.8
Google News
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Reddit Mentions
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