Tickets for Strikeforce: “Lawler vs. Shields” are on sale at the Scottrade Center box office as well as at all Ticketmaster locations (800-745-3000), Ticketmaster online (www.ticketmaster.com), and Strikeforce’s official website (www.strikeforce.com).

The live SHOWTIME telecast of the event begins at 10 p.m. ET/PT (delayed on the West Coast). In the highly anticipated main event, “Ruthless” Robbie Lawler (16-4) will face off with fellow top-ranked superstar Jake Shields (22-4-1) in a 182-pound catch weight fight.

Additionally, “The New York Badass” Phil Baroni (13-10) will collide with Joe “Diesel” Riggs (29-10) in a 170-pound contest.

Doors at the Scottrade Center will open for Strikeforce: “Lawler vs. Shields” at 6:30 p.m. CT on Saturday, June 6. The first non-televised preliminary bout will begin at 7 p.m.