Racing PositionsColts now without players from 2013 draft class on active roster7YMike WellsChicago Bears waive receiver Marc Mariani amid moves to get to 537YJeff DickersonLocker buddies Andrew Luck, Ryan Kelly work on building relationship7YMike WellsChuck Pagano on new Colts O-line coach Joe Philbin: 'The heat is on'7YMike WellsKhaled Holmes' release whittles Colts' 2013 draft class to one7YMike WellsRyan Kelly was Colts' best first-round decision since Andrew Luck7YMike WellsThe draft will be bigger than free agency for the Colts7YMike WellsAlex Mack fits what the Colts and Andrew Luck need at center7YMike WellsMel Kiper compares Alabama's Ryan Kelly to Alex Mack, Nick Mangold7YMike WellsMel Kiper has the Colts taking a center in his second mock draft7YMike Wells