Wisconsin quarterback Graham Mertz talks to reporters during an NCAA college football news conference at the Big Ten Conference media days, at Lucas Oil Stadium, Wednesday, July 27, 2022, in Indianapolis. (AP Photo/Darron Cummings)

FILE - In this Dec. 12, 2020, file photo, Wisconsin quarterback Graham Mertz throws a pass during an NCAA college football game against Iowa in Iowa City, Iowa. Mertz heads into his third season as a starter knowing he must develop into a more reliable performer(AP Photo/Charlie Neibergall, File)

FILE - Wisconsin quarterback Graham Mertz (5) looks to pass against Purdue during the first half of an NCAA college football game in West Lafayette, Ind., Saturday, Oct. 23, 2021. Wisconsin quarterback Graham Mertz’s production thus far hasn’t lived up to the expectations set by his lofty recruiting ranking and sparkling debut as a starter. Mertz was the nation’s No. 65 overall prospect in the 2019 lass according to composite rankings of recruiting sites compiled by 247Sports when he signed with Wisconsin. (AP Photo/Michael Conroy, File)