Travis Frederick, ex-Wisconsin lineman, retiring from Cowboys, NFL
While Surprising, Frederick's Retirement Shouldn't Hurt Cowboys Much ✭ Inside The Star
Cowboys' offseason gets even worse with All-Pro lineman Travis Frederick's surprise retirement
Cowboys' Travis Frederick Announces Retirement
Jerry Jones praises media for Travis Frederick coverage
Travis Frederick's Super Bowl regret, says '20 Cowboys 'have a chance'
With a new perspective on life after football, Cowboys C Travis Frederick announces retirement
Dallas Cowboys: Center Travis Frederick's contract restructured