I wasn't privileged enough to go through the cards [mostly 2000's cards and with a number of minor leaguers from major brand sets who never quite made it] - but one of the guys let me keep a card or two that I liked when he would go through a stack.
2000 Topps Traded John McDonald #T27 - first Topps card, not a rookie though.
2001 Topps Stadium Club Jason Kendall #78 - slides back on a pick off attempt.
2002 Topps David Bacani #694 - I've been vaguely aware of this guy since he played high school baseball in the same league as my high school [the league has since been realigned]; now the baseball coach at Santa Margarita High School, Bacani was named CIF Division I Coach of the Year this past season.
2004 Topps Total Erick Aybar RC #866 - I thought his skills as a player were all tapped out but he's having an All-Star season and has been a little more dynamic than I've given him credit for.
2006 Upper Deck Dewon Brazelton #772 - maybe the most random of cards, but the pitching bust is shown trying to bunt, so I grabbed it for my collection since I wouldn't be looking for it otherwise.
2007 Upper Deck Kevin Youkilis #584 - inking it up
2008 Upper Deck Jake Peavy #627 - didn't need this one but I took it because it was offered.