#2. Brock Lesnar vs. Seth Rollins: WrestleMania 35

In his ninth appearance at the event, Brock Lesnar defended his Universal Championship against the 2019 Royal Rumble winner, Seth Rollins. Unlike their previous encounters, Rollins wasn't a heel this time but had turned into a beloved babyface.
The buildup to this bout was similar to Lesnar's last WrestleMania match with Roman Reigns. However, the only difference was that fans were genuinely rooting for Rollins to knock Lesnar off his pedestal.
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The match surprisingly opened WrestleMania 35. Lesnar attacked Rollins before the bell even rang. However, Rollins was determined to do anything to take the title off The Beast. He low-blowed Lesnar when the referee wasn't looking.
It allowed Seth Rollins to smash Brock Lesnar's head into the mat with three Curb Stomps and pin him for the victory.
Winner: Seth Rollins
#1. Brock Lesnar vs. Drew McIntyre: WrestleMania 36

Brock Lesnar vs. Drew McIntyre was one of the biggest dream matches that the fans always wanted to see. However, WWE never showed interest in a rivalry between The Scottish Warrior and The Beast Incarnate. Maybe it was because McIntyre hadn't achieved anything significant in WWE to prove himself as a credible challenger for Lesnar.
But everything changed in January 2020 when Drew McIntyre eliminated Brock Lesnar from the 30-man Royal Rumble match. To make things even better, McIntyre won the 2020 Royal Rumble. On the following episode of WWE RAW, he challenged Lesnar to a match at WrestleMania. Unlike his previous opponents, McIntyre matched Lesnar's size and athleticism and proved to be a massive threat for his WWE title.
Both Superstars collided in the main event of WrestleMania 36: Night Two. After trading vicious blows for a few minutes, The Scotsman finished off Brock Lesnar with multiple Claymore Kicks. It was a career-defining moment for Drew McIntyre, as it established him as a top star in the WWE.
Although Brock Lesnar lost the match, he was praised heavily by the WWE Universe for putting over Drew McIntyre.
Winner: Drew McIntyre