NFL.com "Robert Mathis and Jim Irsay continue to twirl in their dance of dueling optimism and caution with regards to the linebacker's health. Irsay said in March that the veteran could be out until November, to which Mathis stated at the time he'd be "clicking at camp." Mathis doubled down earlier..." June 11
NFL.com "Robert Mathis is determined to make a timely return to the Colts' lineup. The veteran outside linebacker told a local television station he intends to be back on the field by the first month of the 2015 season. "I said it. I meant it. I'll be back by September," Mathis told WTHR-TV in..." June 01
Jim Irsay said Robert Mathis may not be ready to re-emerge until November
Colts announce they've extended Robert Mathis' contract through 2016.
Pro Football Talk "The Colts’ defense looked a little lost last night, missing the pass rush provided by Robert Mathis. They’ll need to find a way to fix it. Multiple league sources tell PFT that Mathis suffered a torn Achilles last week while working out on his own in Atlanta. His season is now..." September 08
ESPN "Robert Mathis of the Indianapolis Colts has been suspended without pay for the first four games of the 2014 regular season for violating the NFL policy on performance-enhancing substances. Mathis will be eligible to return to the Colts' active roster on Monday, Sept. 29 following the team's..." May 17