Indianapolis Colts center Deyshawn Bond will miss the rest of the season with a torn quad in his leg.
Memorial Stadium gates are planned to open at 5:30 p.m. to allow fans to get to their seats and watch ESPN College GameDay.
The new precautions include banning most bags and seat cushions, allowing fans to bring belongings in a clear bag instead.
Ara Parseghian died in his home in Granger last week. He was 94 years old.
Athletics director Mike Bobinski says the expansion decision was made after "extensive discussions" with campus police.
The Maryland family is seeking damages after they say their son tore a ligament in his knee at a university football camp.
Wilson coached the Hoosiers for six seasons. He will be co-offensive coordinator at Ohio State.
This marks the second consecutive bowl appearance for the Hoosiers since the years 1990 and 1991.
Steve and Yvette Schmitz sued the NCAA and Notre Dame in October 2014 alleging the institutions had shown "reckless disregard" for player safety.
This season marks Indiana's second consecutive bowl appearance which the team hasn't accomplished since 1991.