A rising shortstop in the Atlanta Braves system has forced their hand into giving him a shot at the major leagues. The team announced Wednesday morning that they selected Jim Jarvis’ contract and added him to the active roster.  In a corresponding move, they designated outfielder Jose Azocar for assignment. He was initially acquired when the Braves flipped reliever Rafael Montero to the Detroit Tigers at last season's trade deadline. Since then, he's been a solid performer down on the farm. Through 33 games, he’s batting .305 with an .863 OPS, four home runs, 10 total extra-base hits and 20 RBIs.  He’s reached base in 30 of 32 games this season. He began the season on a 24-game on-base streak, and started a new one that’s six games in.  A notable performance came on Tuesday, April 7, when he set the Stripers’ record for most stolen bases in a game with four.…