Racing PositionsRockies activate Chacin, put Rosario on DL4MRosario avoids major injury, still day to day3MSzymborski: Overvalued, undervalued hitters8dDan SzymborskiFantasy: 2013 Sleepers and Busts8dFantasy staffDodgers' Kemp collides with wall, injures knee3MGoldstein: 10 prospects/rookies on the rise8dKevin Goldstein