Racing PositionsRockies activate Chacin, put Rosario on DL11YRosario avoids major injury, still day to day11YSzymborski: Overvalued, undervalued hitters11YDan SzymborskiFantasy: 2013 Sleepers and Busts12YFantasy staffDodgers' Kemp collides with wall, injures knee12YGoldstein: 10 prospects/rookies on the rise13YKevin Goldstein