Marshall is the Thundering Herd. A problem with Thundering Herds: Sometimes they trample things.
In this case, the thing getting trampled was a poor guy coming out of the tunnel during the pregame "running out through smoke" thingamajig (GIF via the omnipresent bubbaprog):
Luckily, the game is going a bit better -- the Herd are already up two touchdowns on Southern Miss.
Other schools have had smoke fails in the past: Here's Iowa State