Bills RE Mark Anderson (knee surgeries) is now participating fully at OTAs.
Bills RE Mark Anderson is expected back with the team in 2013.
Bills RE Mark Anderson (knee surgery) has been ruled out for Week 17.
The Bills have ruled out DE Mark Anderson (knee surgery) for Week 16.
Bills RE Mark Anderson (knee surgery) has finally resumed practicing.
Bills RE Mark Anderson revealed his knee injury to be a torn lateral meniscus.
Bills RE Mark Anderson has undergone another procedure on his ailing knee, and will be sidelined an additional 2-3 weeks.
Bills RE Mark Anderson (knee surgery) has suffered a setback, and could require another surgery that would sideline him an additional 2-3 weeks.
Bills RE Mark Anderson (knee surgery) is inactive for Sunday's game against the Texans.
Bills RE Mark Anderson (knee surgery) isn't expected to return in Week 9.
Bills coach Chan Gailey believes RE Mark Anderson (knee surgery) could return as early as Week 9.
Bills declared RE Mark Anderson, OLs Kraig Urbik, Cordy Glenn, and Reggie Wells, LB Kirk Morrison, and DT Spencer Johnson inactive for Week 6 against the Cardinals.
Head coach Chan Gailey gave RE Mark Anderson (knee surgery) a loose timetable for return at "three-to-nine weeks."
Bills RE Mark Anderson is out indefinitely after Monday's MRI apparently revealed extensive damage to his injured knee.