4) The Rockers split up, leading to Shawn Michaels evolving into the Heartbreak Kid in WWE
The Rockers were an innovative tag team that took WWE by storm. With their high-flying acrobatic style, Shawn Michaels and Marty Jannetty became one of the most popular duos in the company at the time. Many fans wanted them to reach the mountaintop of tag team gold, while others wanted the two to singles glory.
The defining moment came on an edition of Brutus "The Barber" Beefcake's Barber Shop segment. After weeks of friction between the long-time partners, it looked like their issues had been resolved until Michaels super kicked Jannetty. He then proceeded to smash Marty's head into the barber shop window. It is an iconic scene that catapulted the Heartbreak Kid's career.
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3) The Shield breaks up to give WWE three new main eventers
The Shield finally fulfilled WWE's promise of building new stars. Roman Reigns, Seth Rollins, and Dean Ambrose were standouts on the developmental scene before being called up to the main roster to help CM Punk retain his title at Survivor Series 2012.
Over the next year and a half, the three men went on a tear, winning gold and beating the top superstars in the promotion. Following their biggest win over Evolution, Triple H conspired to have Seth Rollins betray his brothers. This shocking moment created three main eventers, with every member going on to win the top prize in the company.