Cody Rhodes defeated John Cena in a Street Fight in the main event of Night 2 of SummerSlam on Sunday to regain the Undisputed WWE Championship and avenge his loss at WrestleMania 41.

Lesnar, who was named in the federal lawsuit against former WWE chairman Vince McMahon, attacked Cena after Sunday's conclusion to the two-event weekend.

SummerSlam weekend is officially underway. The first two-night SummerSlam began on Saturday with Seth Rollins' shocking Money in the Bank cash-in to become world heavyweight champion. It's now on to Night 2, headlined by the street fight between John Cena and Cody Rhodes for Cena's undisputed WWE Championship.