RIP!! Hard to believe, too young- maybe an undisclosed heart condition. http://www.nfl.com/news/story/09000...l-mcglockton-passes-away-at-age-42?module=HP1 Former NFL defensive lineman Chester McGlockton, who made four Pro Bowls with the Raiders during the 1990s, has died at age 42, according to Stanford University, where he served as a defensive assistant coach. Chester McGlockton, who died Wednesday at age 42, played 12 seasons in the NFL with four teams, starting with the Raiders. (National Football League) The school said Wednesday that McGlockton died overnight. The cause of death wasn't immediately announced, but NBC Bay Area reported that McGlockton apparently suffered a massive heart attack after waking up with tightness in his chest.