Iowa defensive tackle Aaron Graves is ready for an expanded role this season. The former Southeast Valley High School standout appeared in 12 games as a true freshman last season and recorded 15 tackles, including six for a loss.

Graves says after a full year of college football he has added size and strength.

Defensive line has become a strength at Iowa and Graves says leadership from the veterans has been a big part of that.

That Hawkeyes open at home on September second against Utah State.