Rays outfielder Rocco Baldelli has retired and accepted a position as a special assistant with the team. Baldelli, 29, spent six of seven major league seasons with the Rays. In 519 career games with Tampa Bay and Boston, he hit .278 with 60 homers and 262 RBIs. Baldelli missed all or parts of four seasons because of a variety of injuries. In 2008, he was diagnosed as having mitochondrial disorder, a condition that causes muscle fatigue.