Breaking down the combine

The NFL combine begins Wednesday in Indianapolis, with seven USC Trojans taking part in the event.

The Trojans scheduled to participate are fullback Rhett Ellison, linebacker Chris Galippo, defensive tackle DaJohn Harris, offensive tackle Matt Kalil, defensive end Nick Perry, defensive tackle Christian Tupou and tailback Marc Tyler.

The players will take part in a variety of activities, including medical exams, team interviews, psychological testing, media sessions and, of course, the on-field drills. Here's a closer look at the drills the players will perform.