Antonio Gates' squeaky-clean image took a big hit Thursday when the San Diego Chargers' star tight end was suspended without pay for the first four games of the 2015 season for violating the NFL's policy on performance-enhancing substances. The NFL said in a statement that Gates can participate in training camp and exhibition games. One of the NFL's top tight ends for more than a decade, Gates has had a Hall of Fame-caliber career after joining the Chargers as an undrafted rookie in 2003 following a college basketball career. More...