Racing PositionsRockies activate Chacin, put Rosario on DL4MRosario avoids major injury, still day to day3MSzymborski: Overvalued, undervalued hitters16dDan SzymborskiFantasy: 2013 Sleepers and Busts16dFantasy staffDodgers' Kemp collides with wall, injures knee3MGoldstein: 10 prospects/rookies on the rise16dKevin Goldstein