On the April 9 episode of "Raw", Hardy returned from injury, where he assisted Finn Bálor and Seth Rollins in a confrontation with The Miz and The Miztourage (Bo Dallas and Curtis Axel). Later that night, Hardy teaming up with Bálor and Rollins to defeat Miz and Miztourage. The following week on "Raw", Hardy defeated Jinder Mahal to win the United States Championship, making him the second person to complete the modern Grand Slam, after completing the original format separately. The next day, Hardy was traded to the SmackDown brand as part of the Superstar Shake-up, took the title with him. Hardy then retained his title against Jinder Mahal at the Greatest Royal Rumble event on April 27, and against Randy Orton at Backlash on May 6.