Brent Yarina, BTN.com Senior Editor, October 31, 2015

It's Halloween, and that fact was very evident if one watched any college football Saturday.

[ MORE: Catch up on all of the Week 9 Big Ten football action ]

Pretty much anywhere you looked, the signs were visible.

Camera men? Check! Fans? Check! Mascots? Check! Big Ten players, post-game? Check! As mentioned above, the costumes were all over.

See some of our favorite Big Ten Halloween costumes below:

The mascots, of course, got in on the fun: