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CardViper Intelligence

Marcelo Mayer Buzz normal 10-Day IL We receive a commission for purchases made.

Baseball Sacramento River Cats 2B · Age 23 ☆ Save player NEW Current Updated today · Snapshot: 2026-09-19
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.
43.5
Today
Delta Heat
+0.9
vs reference
Heat Rank
#209
of 2,423 players
Move Rank (7d)
#328
of 2,423
Buzz (7d total)
13
Latest: 5
Today's Listings
47,427
eBay active
Avg Listings (7d)
47,222
7-day average
Player intelligence
Strong hobby signal
Heat at 43.5 with +0.9 movement; power is the leading performance input; 47,427 active listings keep the card trail visible.
75
AI read
Full Stats
2026
4
GAMES
.353
AVG
.421
OBP
.588
SLG
1.009
OPS
1
HR
3
RBI
0
SB
2
BB
9
SO
Projected End of Season
If availability holds: about 116 games left
30
HR
90
RBI
0
SB
60
BB
270
SO
Advanced Metrics
Performance model
Power
Overall hitting impact
1.009 OPS
On-Base
How often he reaches
.421 OBP
Season Pace
Adjusted for games left
30 HR finish
Market Fit
Stats to eBay
Market Activity
Active eBay listings
100/100
Momentum
Heat score movement
43/100
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 21Aug 25Aug 30Sep 7Sep 19
30d Peak: 55.6 - Sep 4 Low: 37.2 Avg: 47.1
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Reddit Mentions
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