NCAA investigating allegations of sign-stealing by Michigan. Harbaugh denies knowledge, involvement

Michigan head coach Jim Harbaugh watches against Indiana in the second half of an NCAA college football game in Ann Arbor, Mich., Saturday, Oct. 14, 2023. (AP Photo/Paul Sancya)

Michigan coach Jim Harbaugh denied any knowledge or involvement in plotting to steal opponents’ play-calling signals by sending representatives to their games and said he would fully cooperate with an NCAA investigation into the allegations against his program.