Description: Colts running back Vick Ballard tore his left Achilles during Friday\'s practice and will likely miss the rest of the season. SOURCE: Chris Mortensen, ESPN
Insight: Ballard played one game in 2013 before tearing his right ACL during practice. With only injury-prone Ahmad Bradshaw and former sixth-rounder Dan Herron as backups, the Colts really need Trent Richardson to come through in 2014.
Description: Cardinals coach Bruce Arians said that Andre Ellington is ready to be the "bell cow" in Arizona\'s offense, according to Darren Urban of azcardinals.com.
Insight: Arizona coach Bruce Arians said in May that he expects Ellington to get 25-30 touches per game this season, which was an outrageous exaggeration. However, we may see him get 16-18, with 4-6 coming on receptions. GM Steve Keim estimated Thursday that Ellington has put on 8-10 pounds, which could take away some of his explosiveness. Ellington is going 15th among running backs at an ADP of 29.9, which is a good spot for him because he\'s not guaranteed to see goal-line work.