World Series of Fighting: Arlovski vs. Cole Prelims Saturday at 7:30 pm ET on MMAWeekly.com

The World Series of Fighting makes its promotion debut Saturday night with Arlovski vs. Cole at Planet Hollywood in Las Vegas and live on NBC Sports Network.

The main event features former UFC heavyweight champion Andrei Arlovski squaring off with Strikeforce and IFL veteran Devin Cole.

The main card airs live on Saturday at 10:30 p.m. ET/7:30 p.m. PT on NBC Sports Network, but the first three World Series of Fighting preliminary bouts stream LIVE on MMAWeekly.com on Saturday at 7:30 p.m. ET/4:30 p.m. PT.