New England Patriots defensive lineman Armond Armstead has announced his retirement.
Armstead had a heart attack at USC and his heart problems have led to the end of a once-promising football career.
The 6-foot-5, 306-pounder didn't play a down for the Patriots last season and spent the year on the reserve-non-football injury list.
"It has been a pleasure being around Armond, as he gave everything he could to play for us," Patriots coach Bill Belichick said in a statement. "Armond worked extremely hard since joining us last February. He's had a lot of adversity personally that he's had to deal with – unusual compared to most other players – but he's always had a great attitude, worked hard and really did everything we asked him to do. While it is unfortunate he will not be able to play football, Armond is an outstanding young man who has a very bright future in whatever path he chooses."
Armstead played for the Toronto Argonauts after playing at USC. He had 43 tackles and six sacks and was named a CFL All-Star while the Argonauts won the Grey Cup.
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