10 unforgettable moments of WWE SummerSlam from the last decade

#2 Roman Reigns dethrones Lesnar - SummerSlam 2018

Roman Reigns hitting Lesnar with the Spear

Brock Lesnar made his ninth SummerSlam appearance when he defended the WWE Universal Championship against Roman Reigns at the 2018 edition of the event. Heading into the match, Lesnar was the longest reigning Universal Champion, and Reigns vowed to end The Beast Incarnate's reign.

The match began with that year's Money in the Bank winner, Braun Strowman, at ringside who stated his intention to cash in his contract on the winner. At the start of the match, Reigns took the champion by surprise when he attacked him with a triplet of Superman punches and Spears. Following a back-and-forth attack and counter-attack, Reigns inadvertently hit Strowman with a suicide dive outside the ring when Lesnar dodged a spear from The Big Dog.

If you don't keep a BEAST, a BIG DOG, and a MONSTER separated... the result looks a little something like this! #SummerSlam @WWERomanReigns @BraunStrowman @BrockLesnar pic.twitter.com/2xLYCcyYtA

— WWE (@WWE) August 20, 2018

The Beast Incarnate then attacked Strowman and threw his MITB briefcase up the aisle to make sure that The Monster Among Men was unable to cash in. This distraction allowed Reigns to hit Lesnar with another Spear to win the Universal Championship, thereby ending Lesnar's reign at 504 days.

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#1 Debut of 'The Fiend' - SummerSlam 2019

The Fiend dominating over Finn Balor

The debut of Bray Wyatt's new sinister persona, The Fiend, was one of the most talked-about moments from last year's SummerSlam. After weeks of teasing The Fiend's existence on the Firefly Fun House segments, The Fiend Bray Wyatt attacked Finn Balor on July 15, 2019, episode of RAW and the following week on SmackDown, Balor challenged Wyatt to a match.

We're STILL not over 'The Fiend' @WWEBrayWyatt's amazing debut at last year's #SummerSlam! pic.twitter.com/vhJEppqqdk

— WWE on FOX (@WWEonFOX) August 12, 2020

Wyatt responded by saying that The Fiend accepted his match. At SummerSlam 2019, The Fiend made his in-ring debut against Balor and dominated the latter throughout the entirety of the match. At one point in the match, The Fiend even snapped Balor's neck which horrified the WWE Universe. Balor would later go for the Coup de Grace but The Fiend countered it into the Mandible Claw, causing Balor to pass out and making him the winner.