Yesterday, the Cardinals purchased the contract of Brock Peterson from the Bridgeport Bluefish of the non-affiliated Atlantic League, and assigned him to Triple-A Memphis.

Peterson, 28, is a career minor leaguer who spent his entire career in the Minnesota Twins system. He got as far as Triple A, but then signed with the independent Bluefish in 2011. This season, he had put up a solid line of .293/.376/.563 with 21 HR and 68 RBI for Bridgeport, and was rewarded for it by the Cardinals.

What does this mean for the Cardinals?

Obviously, this is anything but huge news, but it is a possibility that Peterson could be called up to the big leagues for the first time as a September call up, assuming he does well the next couple of weeks at Memphis. If so, he wouldn’t play a major role, but he has played first, second, third, left, and right field in the Minors, so that multi-positional flexibility could be useful if Mike Matheny wanted to give an everyday player some rest on a given day.