Harbaugh famously guaranteed in 1986 that Michigan would beat Ohio State and play in the Rose Bowl .
Harbaugh had worked for Falk during the summer as a building supervisor in the mid-80s when he was a player .
Harbaugh , who had worked for Falk during the summer as a building supervisor in the mid-80s when he was a player , famously guaranteed in 1986 that Michigan would beat Ohio State and play in the Rose Bowl .