Manny Pacquiao (54-5-2) hasn't fought for nearly a year and hasn't won a fight in even a longer period of time. This is a crucial match he's fighting against Brandon Rios (31-1-1). It will decide whether it's time to call it quits or if Pacquiao has a little fight left in him. Dramatic stuff. Dramatic enough for him to have Katy Perry's "Roar" as his entrance song.

That's right. Pacquiao came out to "Roar," Perry's big "Hey! Whatever it is you're going through, you can get through it!" song. Also, known as this generation's "Eye of the Tiger," although it would've been awesome if Survivor came out to perform it—with Mr. T posing in the ring and all. One can only dream...

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