#6. Surprise return of the year - Sting
Sting's WWE return in 2015 was one of the highlights of the year since the WCW legend crashed Seth Rollins' statue unveiling and attacked the former World Champion, setting up a match at Night of Champions.
Whilst this is a bitter-sweet story since Night of Champions was Sting's final WWE match following a neck injury, it was also a fantastic way to bow out for the WWE Hall of Famer. Sting had seemingly retired from the ring following his Hall of Fame induction back in 2016, but The Icon recently appeared for All Elite Wrestling.
It was later announced following Sting's appearance that he had signed a multi-year deal with AEW that could include actually wrestling.
#5. WWE match of the year - The Undertaker vs Brock Lesnar at Hell in a Cell
The Undertaker and Brock Lesnar collided back at WrestleMania 30 when The Beast Incarnate was able to end Undertaker's undefeated streak. Interestingly, more than a year later at Battleground 2015, The Deadman returned for revenge.
After costing Lesnar the World Championship the two men embarked on an interesting feud that saw them collide several times over the course of the year, but the Slammy Award was for their match at Hell in a Cell.
Since 2015, Brock Lesnar has dominated WWE and become both WWE and Universal Champion, before walking away from the company following this year's WrestleMania and his WWE contract has now reportedly expired.
The Undertaker returned several times over the past five years and was able to wrestle the likes of Roman Reigns and John Cena at WrestleMania before he announced his retirement from the business earlier this year after three decades.