UFC 137 pay-per-view main card set

The five-fight main card for October’s UFC 137 event is set.

The event takes place Oct. 29 at the Mandalay Bay Events Center in Las Vegas.

Headlining the night’s pay-per-view main card is a champion-vs.-champion title fight between the UFC’s Georges …

The five-fight main card for October’s UFC 137 event is set.

The event takes place Oct. 29 at the Mandalay Bay Events Center in Las Vegas.

Headlining the night’s pay-per-view main card is a champion-vs.-champion title fight between the UFC’s Georges St-Pierre and Strikeforce’s Nick Diaz, who returns to the UFC for the first time in five years.