4) The Hart Foundation - WWE
Bret "The Hitman" Hart is one of the greatest WWE superstars of all time. Bret was apart of a legendary tag team with Jim "The Anvil" Neidhart as The Hart Foundation, which is widely considered an all-time great tag team in wrestling history. However, Bret went out on his own and embarked on an iconic singles career that led many to believe that he would always walk on his own.
In 1997, the WWE completely changed with the company slowly transforming into the Attitude Era. Long-time fan favorite Bret Hart slowly became hated for his traditional mindset, while Stone Cold Steve Austin gained cheers for being an anti-hero. The rivalry between the two men led to the most memorable double-turns in wrestling at WrestleMania 13.
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Following becoming a top heel, Bret Hart reunited with his brother Owen Hart and his brother-in-law, the British Bulldog Davey Boy Smith, after reconciling their ongoing issues with one another. Hart also brought back Jim "The Anvil" Neidhart to the WWE to officially form the Hart Foundation as a stable. Their number one goal was to destroy both Austin and Shawn Michaels.
The Hart Foundation became the center of WWE's storylines throughout 1997. Not only were they feuding with Austin and Michaels, but they also had issues with Ken Shamrock, Goldust, Mankind and the Legion of Doom. Their greatest moment happened at Canadian Stampede in Calgary where the entire stable faced a team led by Austin, with the hometown heroes winning.