Update New CardViper updates are live: faster pages, smarter searches, and cleaner card tools. See what changed See what changed
Back to Trends
CardViper Intelligence

Juan Mejia Buzz normal We receive a commission for purchases made.

Baseball Colorado Rockies P · Age 26 ☆ Save player NEW Queued Data from 3 days ago - updating soon · Snapshot: 2026-09-30
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.
17.0
Today
Delta Heat
0.0
vs reference
Heat Rank
#1173
of 4,137 players
Move Rank (7d)
#434
of 4,137
Buzz (7d total)
10
Latest: 5
Today's Listings
1,021
eBay active
Avg Listings (7d)
1,021
7-day average
Player intelligence
Developing signal
Heat at 17.0 with +0.0 movement; miss bats is the leading performance input; 1,021 active listings keep the card trail visible.
35
AI read
Full Stats
2026
5.27
ERA
1.69
WHIP
8.49
K9
5.14
BB9
4
W
6
L
4
SV
70.0
IP
66
K
Projected End of Season
If availability holds: about 135 games left
12
W
18
L
12
SV
203
K
Advanced Metrics
Performance model
Miss bats
Strikeout pressure
8.5 K/9
Command
Free-pass control
5.1 BB/9
Run prevention
Surface results
5.27 ERA
Market Fit
Stats to eBay
Market Activity
Active eBay listings
66/100
Momentum
Heat score movement
17/100
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
Sep 4Sep 11Sep 19Sep 26Sep 30
30d Peak: 19.3 - Sep 8 Low: 3.2 Avg: 15.5