Ever since the dawn of online auction sites, collectors have been buying and selling baseball cards on eBay.

And, with the hobby boom of the 2020s, the ecommerce giant has become even more vital to moving cards from those who have them to those who want them.

On a typical day, thousands of new eBay listings are posted, offering up just about every kind of card you can imagine, and thousands of other lots change hands. But some cards — some listings — make a lot more noise than others, garnering loads of bids and collecting many other “watchers” as their sale progresses.

Keeping an eye on the trends among these “most watched” baseball cards on eBay can be a great way to keep up with the rapidly changing winds and sentiments in this hobby.

To help with that, we present below the hottest baseball cards on eBay right now as determined by the number of watchers.

And, if you like these sorts of hot-card listings, you might also enjoy some of the other up-to-date “most watched” lists we’ve put together:

Now, happy trend-watching!

(Note: The information below contains affiliate links to eBay baseball card listings)


2009 Bowman Chrome Mike Trout Angels RC Rookie BGS 9.5 w/ 10 On Card AUTO

Watchers: 201  
# of Bids: 38
Current Bid: $10750
Auction Ends: 19-May-2022 03:05
See full listing on eBay (affiliate link)

Babe Ruth HOF Signed Business Card PSA PSA/DNA 9 AUTO

Watchers: 165  
# of Bids: 42
Current Bid: $5655.55
Auction Ends: 19-May-2022 03:05
See full listing on eBay (affiliate link)

2021 Topps Dynasty Mike Trout On Card Auto Game Used Patch Silver 3/5 PSA 9 Mint

Watchers: 145  
# of Bids: 24
Current Bid: $750
Auction Ends: 20-May-2022 01:05
See full listing on eBay (affiliate link)

1952 Topps #261 Willie Mays New York Giants HOF PSA 5 EX " ICONIC CARD "

Watchers: 142  
# of Bids: 47
Current Bid: $9800
Auction Ends: 19-May-2022 03:05
See full listing on eBay (affiliate link)

1921 W551 Babe Ruth Hand Cut Baseball Card - PSA 3 VG - New York Yankee HOF MLB

Watchers: 104  
# of Bids: 31
Current Bid: $1150
Auction Ends: 24-May-2022 01:05
See full listing on eBay (affiliate link)

2018 Topps Chrome Ronald Acuna Refractor Auto Rookie Card RC #457/499 B719

Watchers: 101  
# of Bids: 35
Current Bid: $317
Auction Ends: 19-May-2022 01:05
See full listing on eBay (affiliate link)

Mike Trout 2022 Topps Tribute On Card Auto Game Used Patch Red Parallel #d 3/10

Watchers: 78  
# of Bids: 19
Current Bid: $830
Auction Ends: 19-May-2022 02:05
See full listing on eBay (affiliate link)

52 Topps Micky Mantle Rookie Card

Watchers: 77  
# of Bids: 35
Current Bid: $10101
Auction Ends: 18-May-2022 23:05
See full listing on eBay (affiliate link)

MIKE TROUT 2011 BOWMAN'S BEST PROSPECTS BGS 10 Black Label ROOKIE CARD PMJS

Watchers: 75  
# of Bids: 22
Current Bid: $1250
Auction Ends: 19-May-2022 01:05
See full listing on eBay (affiliate link)

2001 Topps Traded Albert Pujols Rookie Card RC #T247 CARDINALS

Watchers: 73  
# of Bids: 17
Current Bid: $103.5
Auction Ends: 18-May-2022 23:05
See full listing on eBay (affiliate link)

Ken Griffey Jr. 2022 Topps Tribute On Card AUTOGRRAPH Gold # /50 Clear MVP AUTO

Watchers: 73  
# of Bids: 21
Current Bid: $404
Auction Ends: 23-May-2022 03:05
See full listing on eBay (affiliate link)

2022 Topps Tribute Ken Griffey Jr GGA-KGJ Solid Gold Greats On Card Auto /10 Red

Watchers: 73  
# of Bids: 16
Current Bid: $455
Auction Ends: 23-May-2022 04:05
See full listing on eBay (affiliate link)

HANK AARON / RONALD ACUNA 2020 TOPPS DYNASTY DUAL ON-CARD AUTOGRAPH AUTO #'D /5

Watchers: 70  
# of Bids: 40
Current Bid: $2274
Auction Ends: 19-May-2022 02:05
See full listing on eBay (affiliate link)

2022 Topps Series 1 Wander Franco Rookie Card RC Rays #215 SP Variation 🔥

Watchers: 67  
# of Bids: 47
Current Bid: $247.5
Auction Ends: 19-May-2022 01:05
See full listing on eBay (affiliate link)

2011 Topps Update Mike Trout Rookie Card RC #US175 PSA 10 Angels GEM MINT

Watchers: 63  
# of Bids: 30
Current Bid: $2650
Auction Ends: 19-May-2022 23:05
See full listing on eBay (affiliate link)

1980 Topps Baseball #482 Rickey Henderson Rookie Card RC Graded PSA MINT 9

Watchers: 61  
# of Bids: 17
Current Bid: $1500
Auction Ends: 23-May-2022 01:05
See full listing on eBay (affiliate link)

2022 Topps Archive Signature Series Bryce Harper 1/1 on Card Auto 🔥 🔥 🔥

Watchers: 61  
# of Bids: 39
Current Bid: $215.5
Auction Ends: 19-May-2022 15:05
See full listing on eBay (affiliate link)

BABE RUTH, HONUS WAGNER, ROGERS HORNSBY PLAYER USED AND GAME USED RELIC CARD WOW

Watchers: 60  
# of Bids: 16
Current Bid: $320
Auction Ends: 23-May-2022 02:05
See full listing on eBay (affiliate link)

2018 Topps Update Nationals Juan Soto Gold Rookie Card #US300 PSA 9

Watchers: 60  
# of Bids: 14
Current Bid: $480
Auction Ends: 21-May-2022 01:05
See full listing on eBay (affiliate link)

1948 Leaf SET BREAK #32 WARREN SPAHN HOF ROOKIE CARD CARD SGC2.5

Watchers: 60  
# of Bids: 9
Current Bid: $110.5
Auction Ends: 21-May-2022 00:05
See full listing on eBay (affiliate link)

2021 Bowman Chrome Christopher Morel 1st Prospect Auto Autograph Rookie Card

Watchers: 58  
# of Bids: 15
Current Bid: $41
Auction Ends: 24-May-2022 18:05
See full listing on eBay (affiliate link)

Buster Posey Joey Bart 2022 Topps Tribute Dual Auto Booklet #d 2/25 On Card Auto

Watchers: 58  
# of Bids: 19
Current Bid: $192.5
Auction Ends: 19-May-2022 02:05
See full listing on eBay (affiliate link)

1948 Swell Sport Thrills Jackie Robinson PSA 3 RC Dramatic Debut #3 Rookie Card

Watchers: 56  
# of Bids: 29
Current Bid: $3600
Auction Ends: 23-May-2022 01:05
See full listing on eBay (affiliate link)

2018 Topps Update Juan Soto Photo Variations Rookie Card RC #US300A BGS 9.5 B718

Watchers: 55  
# of Bids: 31
Current Bid: $380
Auction Ends: 19-May-2022 01:05
See full listing on eBay (affiliate link)

2019 Topps Chrome Sapphire 340 Vladimir Guerrero Jr RC BGS 10 Pristine Blue Jays

Watchers: 54  
# of Bids: 17
Current Bid: $304
Auction Ends: 20-May-2022 01:05
See full listing on eBay (affiliate link)