[1] In October 1948, after recovering two fumbles and playing a great defensive game against Wyoming, he was selected by the Associated Press as the national lineman of the week.

[2] He was described by Bill Coltrin of the Salt Lake Telegram as "one of the greatest ends in Utah football history.

[1] The New York Yankees of the AAFC also recruited Hafen, but he signed with the Lions in January 1949.

[4] He played for the Lions during the 1949 and 1950 seasons and appeared in a total of 24 NFL games.

[1] While with the Lions, he trained in the off-season by "bull-dogging and roping cattle" on his family's ranch in Utah.