AP sources: QB moves: Panthers add XFL's Walker, trade Allen
Panthers sign quarterback P.J. Walker
Report: Panthers re-sign P.J. Walker to one-year deal
Panthers, QB P.J. Walker Agree To Deal
Mixon scores 5 TDs, Bengals dominate Panthers 42-21
XFL Star PJ Walker Resigned by the Carolina Panthers
Mixon scores 5 TDs, Bengals dominate Panthers 42-21 - Seattle Sports
Carolina Panthers set to sign XFL quarterback P.J. Walker
What to expect from Russell Wilson, Baker Mayfield and the NFL's
Terrance's notes: Former Roughnecks QB turns heads in NFL
Panthers' PJ Walker gearing up for first start of season after
Lions will officially have Matthew Stafford, while Panthers