These UFC veterans are in MMA and bareknuckle action Sept. 9-11

The UFC returns to Las Vegas for a pay-per-view event at T-Mobile Arena.

Nate Diaz will compete in possibly the final fight of his UFC career against Khamzat Chimaev in the main event of UFC 279 on Sept. 10.

Outside of the UFC, there are a number of MMA and bareknuckle events taking place that feature many familiar names that have competed under the UFC banner.

This week, there are nine veterans of the global leader competing this weekend from Sept. 9-11.

Check out the names and details about their bouts below.

Upcoming event information from Tapology.