The upcoming Saturday, March 3 Kovalev vs. Mikhalkin HBO World Championship Boxing® telecast opens with a blockbuster battle of two top light heavyweights as WBA Light Heavyweight World Champion Dmitry Bivol (12-0, 10 KOs) faces Sullivan Barrera (21-1, 14 KOs) at The Theater at Madison Square Garden. Below is the scouting report for this action-packed match-up: