Ravens' Ray Lewis to retire after playoffs - Los Angeles Times
Ray Lewis to retire at end of 2012 NFL playoffs
Former Ravens ILB Ray Lewis got all of Twitter excited with one
Ravens' Ray Lewis to retire after playoffs
Broncos will face some Ravens who sat out the previous meeting
NFL legend Lewis to retire at end of season - Eurosport
Super Bowl XLVII -- Ray Lewis, do you believe? - ESPN
Chapter 4: 17 years in the NFL - Ray Lewis
Ray Lewis says he'll retire after Ravens season ends – Sun Sentinel
Lewis goes out on top in last ride
Ravens' Ray Lewis tells why he's retiring after playoffs
Suggs doesn't think he's Lewis's successor as Ravens' leader - NBC
Ray Lewis says he'll retire after Ravens season ends