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Arthur Jones
Jones was doing very well as a run stopper for the Colts during the young season, but now he's suffered an ankle injury and will likely be out for a month, likely meaning that he'll miss the Week 5 matchup against the Ravens.
Corey Graham
Graham has kept up his quality play in Buffalo, registering 13 tackles, 6 pass deflections, and 1 Interception. He was also elected to be one of their team captains.
James Ihedigbo
Ihedigbo has yet to play a game as he has been sidelined with a neck injury.
A.Q. Shipley
Shipley is the Colts current starter at center with Khaled Holmes out with injury.
Ed Dickson
Dickson has yet to register a single catch yet and has been mostly used as a blocker at this point.
Jameel McClain
McClain has eight tackles so far, but will enter into the role of middle linebacker now that Jon Beason is out with a toe injury.
Tandon Doss
Doss is on IR with an ankle injury.