Blake Shelton, Kelly Clarkson, John Legend and Nick Jonas made their final chair turns during the Blind Auditions, filling the last spots on their teams as the show headed into Battle Rounds.ET will be tracking the teams throughout the season, monitoring steals, saves and favorites asprepares to crown a season 20 champion. Interestingly, there isn't a reigning champ on the coaches' panel, as Gwen Stefani won her first-ever title in season 19 with young crooner Carter Rubin.