After signing with WWE, Good, under his current ring name, competed in their developmental territories Florida Championship Wrestling and NXT until 2012. He joined the main roster in 2012 as a member of The Shield with Roman Reigns and Seth Rollins. Ambrose won his first championship while in the group, the United States Championship, with his 351-day reign being the longest in WWE history. Following The Shield's breakup, Ambrose has gone on to become a one-time WWE World Heavyweight Champion, a three-time Intercontinental Champion, and a two-time Raw Tag Team Champion (with Seth Rollins). He was also the 2016 Money in the Bank ladder match winner and successfully cashed in his contract to become WWE World Heavyweight Champion. Upon winning the Raw Tag Team Championship in August 2017, Ambrose became the twenty-seventh Triple Crown Champion and the sixteenth Grand Slam Champion.