Considered a second- to third-round talent had he entered the 2011 draft, Southern Cal defensive lineman Armond Armstead decided to remain in school for his final season. But a heart attack during spring practices that year led to Armstead not playing another down for USC. He sued the team doctor and medical facility for giving him injections of a pain reliever that doctors believe led to the heart attack.
After spending the 2012 season playing in the Canadian Football League, the 6-foot-5-inch, 300-pound Armstead signed a contract with the Patriots. He is taking part in this weekend’s rookie minicamp with 27 other players. Full story for BostonGlobe.com subscribers.