BsRn stands for Baserunning in SABRmetric circles. It's a measure of a player's relative value to his team as a baserunner. I've never seen it on the back of a baseball card.
Complete Games.
CG is an Acronym for the pitching statistic "Complete Games." A Complete Game is when a pitcher starts a game and pitches the entire game without help from a relief pitcher.
Below is...
There are different variations of errors on baseball cards. Some more desirable than others. Errors such as mistakes made on information on the card will only be worth more money if the mistake was...
Nothing, the # on the back of a Baseball card is the card # in the baseball card set.
Ex. My baseball card has the # 278 on the back of it. So my card is the 278th card in the set.