A look at the unbeaten and the winless in college basketball

Just more than a month after the season started, there are only nine unbeaten teams left in Division I men's college basketball. And it's a similar story at the other end of the spectrum: Only five teams have yet to win a game.

Getting this far without a loss is no small feat. Just ask Gonzaga, which knocked off Duke and Creighton before finally losing to Tennessee last weekend.

Here's a look at each of the remaining teams with a zero in either the win column or loss column: