The Tigers also won AP titles in 2007 and 1958.
Tagovailoa, who had surgery on his right hip in November, announced his decision Monday.
IU fans have flooded the Florida city to show their support for the Hoosier football team.
Butler will open Big East play at St. John’s on Tuesday.
No. 1 LSU and No. 2 Ohio State each placed three players on The Associated Press All-America first team released Monday.
Born into a family of Cornhuskers and raised in the Buckeye state, Joe Burrow left his roots behind and became a Heisman Trophy winner at LSU.
The Hoosiers have won eight games for the first time since 1993.
Michael Penix Jr. underwent surgery Monday.
The Boilermakers hope the win will be enough to get them on a roll in the final games.
Indiana hosts Northwestern on Nov. 2.