Mr. T joined forces with Hulk Hogan at the very first WrestleMania.
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The "A-Team" star and The Hulkster defeated "Rowdy" Roddy Piper & "Mr. Wonderful" Paul Orndorff in the main event at Madison Square Garden.
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Mr. T returned to The Grandest Stage of Them All one year later, facing Piper in a boxing match at WrestleMania 2.
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Mr. T won the fight in controversial fashion, as Piper was disqualified for using a body slam.
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Also at WrestleMania 2, several NFL stars took part in a huge 20-Man Battle Royal.
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Fresh off of winning the Super Bowl with the Chicago Bears, William "The Refrigerator" Perry was among the gridiron greats who took part in the fray.
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The football players held their own, but Andre the Giant walked away victorious.
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Another gridiron star who made the transition to the squared circle was Pro Football Hall of Famer Lawrence Taylor, who battled Bam Bam Bigelow at WrestleMania XI.
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Despite it being his first match, the former New York Giants linebacker toppled The Beast From The East.
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After winning the inaugural Brawl For All ...
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... Bart Gunn earned the opportunity to face renowned boxer Butterbean at WrestleMania XV.
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Butterbean knocked out Gunn in seconds.
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Big Show tried his hand at sumo wrestling at WrestleMania 21, colliding with sumo champion Akebono.
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Though Akebono bested him, Big Show showed sportsmanship in congratulating his rival.
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The World's Largest Athlete had the size advantage at WrestleMania XXIV, when he squared off with undefeated boxing champion Floyd Mayweather.
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Big Show used his size to overpower Mayweather, but the boxer used a set of brass knuckles to knock the giant out and claim victory.
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"Jersey Shore" star Snooki stepped into the ring at WrestleMania XXVII.
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She teamed up with John Morrison and WWE Hall of Famer Trish Stratus to defeat LayCool & Dolph Ziggler, pulling off an impressive backflip in the process.
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Extra's Maria Menounos paired up with Kelly Kelly at WrestleMania XXVIII to take on Beth Phoenix & Eve Torres.
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Despite The Glamazon's power advantage ...
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... Menounos rolled her up to pick up the win at The Show of Shows.
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The WWE Universe got a quick glimpse of a dream match when Basketball Hall of Famer Shaquille O'Neal entered the Andre the Giant Memorial Battle Royal ...
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... and immediately went toe-to-toe with Big Show!
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However, while the two titans were focused on each other, the rest of the field ganged up to dump them out of the ring.