Brock Lesnar (October 4, 2019 - March 26, 202)
Brock Lesnar challenged Kofi Kingston for the WWE Championship on the debut episode of SmackDown on Fox on October 4, 2019.
Kingston had beaten all challengers during his six-month reign and hopes were high for an entertaining main event battle.
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However, it was not to be. Lesnar took just nine seconds to win his fifth WWE Championship and eighth World title in the company.
Lesnar's joy was short-lived however, as he was immediately confronted by Cain Velasquez, the man who ended his UFC Heavyweight Championship reign at UFC 121, nine years earlier.
Velasquez took Lesnar down with the ground and pound before the new champion retreated. The much-hyped Lesnar/Velasquez showdown took place at Crown Jewel on October 31, 2019. Lesnar won a MMA style bout in just two minutes. Velasquez's buddy, Rey Mysterio, immediately began pounding the champion after the bell with vicious chair shots.
In order to show Mysterio his rightful place, Lesnar squared off against the 'ultimate underdog' in a no-holds barred match at Surviror Series retaining the title.
Lesnar then went on to feud with Drew McIntyre for the strap and lost to the Scotsman at Wrestlemania 36.