Colts will hold running back battle in training camp

A bust his first two years, former Colts first-round pick Donald Brown quietly enjoyed the best season of his career in 2011. Brown set career highs in rushing yards, attempts, and touchdowns. His 4.81 yards-per-carry average was over a full yard greater than Brown’s 2009-2010 clip. Perhaps the light flipped on. Perhaps it still hasn’t.…