You vs Your boss

Round 1: MMA match in a cage, UFC rules.

Round 2: at your office, all of your working tools are allowed in the match.

Round 3: He has your internet browsing history while at work (personal phone included) will he terminate your contract?

Fight!

Optional last round: hunger games or battle royale match between you and your coworkers, your workplace is the arena, all tools and engines are your weapons.