Joe Smith Jr., typically an underdog in his biggest fights, is the favorite in this one.

The light heavyweight contender is about a 3-1 favorite to beat Maxim Vlasov in their fight for the vacant WBO 175-pound title tonight (Saturday) in Tulsa, Okla.

Smith is -350, meaning you’d have to bet $350 to make $100. Vlasov is +275. A bet of $100 wins $275.

Smith is about 50-50 to win inside the distance. The Long Islander (N.Y.) is -110 to win by knockout, technical knockout, technical decision or disqualification. Vlasov is +700 to win inside the scheduled 12 rounds.

Here are other odds:

• Smith by decision: +225
• Draw: +2000
• Vlasov by decision: +550

The card, which will be available on ESPN and ESPN+, is scheduled to begin at 10 p.m. ET / 7 p.m. PT. The main event will take place later in the show.

Smith and Vlasov weighed in Friday at 174.8 and 175 pounds, respectively.

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