Host Ernie Johnson readies viewers for NBA action.In TNT's opening-night doubleheader, the Golden State Warriors visit the Brooklyn Nets (7 p.m. ET) and the defending NBA champion Los Angeles Lakers take on the LA Clippers (10 p.m. ET).1 – Opening night features four players who were selected No. 1 overall in the NBA Draft: the Lakers' LeBron James (2003) and Anthony Davis (2012), the Nets' Kyrie Irving (2011) and the Warriors' Andrew Wiggins (2014).2 – Brooklyn's Kevin Durant, set for his first regular-season game since the 2018-19 season, won two NBA championships and two Bill Russell NBA Finals MVP awards with Golden State.3 – 2019-20 Kia NBA Sixth Man Award winner Montrezl Harrell makes his Lakers debut against the Clippers, the team with whom he spent the previous three seasons.5 – Steve Nash, who led the NBA in assists five times as a Hall of Fame player, makes his debut as an NBA head coach when he leads Brooklyn against Golden State.17 – The Lakers will celebrate last season's record-tying 17th NBA championship before facing the Clippers.18 – James begins his 18th NBA season on opening night.20 – During the First Half of the season, 20 games will air in primetime in Europe, the Middle East and Africa as part of the league's "NBA Saturdays and NBA Sundays presented by NBA 2K21" primetime initiative.25 – TNT will present an opening-night doubleheader for the 25th consecutive season, marking Turner Sports' 37th straight year of NBA coverage.50 – Davis and Irving are the last two players to score 50 points in the first game of a season for their team: Davis with the New Orleans Pelicans in 2016 and Irving with Brooklyn in 2019.2016 – In 2016, new Clippers head coach Tyronn Lue was in his first season as head coach of the Cleveland Cavaliers when he led James and the Cavaliers to the NBA championship.2,495 – Golden State's Stephen Curry has made 2,495 career three-pointers, five away from becoming the third player in NBA history with 2,500.