Kurt Warner says Johnny Manziel can battle his way back to NFL fame

Johnny Manziel is in many ways a sad product of our time. Mega-promoted by ESPN as a cocky boy-band superstar at Texas A&M, the quarterback wowed fans with his scrambling ability until unfortunate choices with drinking, drugs and gambling landed him in rehab…and out of the NFL.Kurt Warner, a former Super Bowl-winning gunslinger who has(…)