Colts placed OLB Robert Mathis (Achilles') on the reserve/non-football injury list.
Suspended Colts OLB Robert Mathis is undergoing surgery on his torn Achilles' Thursday.
Profootballtalk reports suspended Colts OLB Robert Mathis has suffered a torn Achilles' tendon, and is done for the season.
NFL suspended Colts OLB Robert Mathis four games for violating the league's policy on performance enhancing drugs.
The Colts have moved Robert Mathis to "rush" linebacker in their 3-4 defense, where he'll now rush from the weak side.
Colts OLB Robert Mathis (back) will return for Sunday's game against the Patriots.
Colts OLB Robert Mathis (back) is inactive for Thursday night's game against the Jaguars.
Colts OLB Robert Mathis (back) was unable to return to Sunday's victory over the Dolphins.
Colts OLB Robert Mathis and C Samson Satele were both forced out of Sunday's game with back injuries.
Robert Mathis (knee, questionable) told NFL.com's Albert Breer that he will play on Sunday against the Dolphins.
Robert Mathis (knee) is expected to return for Sunday's game versus the Dolphins.
Robert Mathis (knee) returned to a limited practice Friday and is listed as "questionable" for Sunday's game against the Titans.
Robert Mathis (sprained left knee) missed practice on Wednesday.
Robert Mathis (sprained left knee) will be sidelined 2-3 weeks.