Update New CardViper updates are live: faster pages, smarter searches, and cleaner card tools. See what changed See What Changed
Update New CardViper updates are live: faster pages, smarter searches, and cleaner card tools. See what changed See What Changed
🩹 MLB IL
Aaron Judge 60D 73 Adley Rutschman 10D 72 Bobby Witt Jr. 10D 66 Roman Anthony 60D 61 Jackson Jobe 60D 61 Full tracker →
Back to Trends
CardViper Intelligence

John Michael Bertrand Buzz normal We receive a commission for purchases made.

Baseball Sacramento River Cats P · Age 28 Recent Updated yesterday · Snapshot: 2026-08-08
Shop cards
John Michael Bertrand on eBay
All Listings
Autos Rookies RC PSA 10 Numbered Patch/Relic 1st Bowman SP / SSP Chrome
MLB AAA Affiliate
Sacramento River Cats
AAA · San Francisco Giants Affiliate
5.37
ERA
1.73
WHIP
5-3
W-L
View San Francisco Giants Roster
Season Stats 2026
Pitching
ERA 5.37
WHIP 1.73
K/9 6.0
BB/9 4.8
W-L 5-3
SV 0
K 45
BB 36
IP 67.0
G 15
Shop on eBay
Autos NEW SP / SSP / IV Rookies (RC) 1st Bowman Numbered / # Patch/Relic PSA 10 BGS Topps Chrome Bowman Chrome Color / Refr. Lots/Bundles
Open eBay Search
Heat Score
0.3
Today
Delta Heat
0.0
vs reference
Heat Rank
-
Move Rank (7d)
-
Buzz (7d total)
0
Latest: 0
Today's Listings
16
eBay active
Avg Listings (7d)
16
7-day average
Heat Score History
Last 30 days
Showing available data - gaps indicate days not yet collected
Jul 10Jul 17Jul 24Aug 1Aug 8
30d Peak: 0.3 - Jul 24 Low: 0.0 Avg: 0.3
Cards Recently Seen For Sale
Checked Aug 8, 3:58 AM
$3.95
John Michael Bertrand 2025 Choice Richmond Flying Squirrels #17
Ungraded
$1.95
2025 Richmond Flying Squirrels (Double-A SF Giants) John Michael Bertrand
Ungraded
$2.49
2024 Richmond Flying Squirrels (Double-A SF Giants) John Michael Bertrand
Ungraded
$9.94
John Michael Bertrand Signed IP 2023 Eugene Emeralds Minor Auto Rc Rookie Giants
Ungraded
$2.50
2025 Choice, Richmond Flying Squirrels - JOHN MICHAEL BERTRAND
Ungraded
$3.95
John Michael Bertrand 2024 Choice Richmond Flying Squirrels #17
Ungraded
$2.75
2025 Richmond Flying Squirrels John Michael Bertrand RC Rookie Giants Minor
Ungraded
$4.99
2023 John Michael Bertrand Choice Minor League Rookie RC Eugene Emeralds
Ungraded
$3.49
2024 Richmond Flying Squirrels John Michael Bertrand RC Rookie Giants Minor Card
Ungraded
$3.99
2023 John Michael Bertrand Choice Minor League Rookie Card RC San Jose Giants
Ungraded
Google News
No Google News cached yet.
Reddit Mentions
No Reddit posts cached yet.