Former NFL player Mosi Tatupu, the father of Seahawks linebacker Lofa Tatupu, has died. Mosi Tatupu was only 54. Per the Honolulu Star Bulletin, the cause of death is currently not known. Tatupu reportedly had been suffering from high blood pressure and other health issues. A native of Hawaii, Mosi Tatupu's 3,367 career rushing yards stood as a high-school record in the island state for 17 years. Tatupu played for the Patriots from 1978 through 1990, and he retired in 1991 after spending five games with the Rams. Primarily a special-teams player at the NFL level, Tatupu rushed for 2,415 yards and 18 touchdowns. In 1983, he reached a career high of 578 yards. Tatupu coached football after his retirement. At the time of his passing, he was the running backs coach at Curry College in Waltham, Massachusetts. Our thoughts and prayers go out to Tatupu's family, friends, colleagues, and former teammates.. RIP Mosi. Thoughts to Lofa.