Michelle Beadle, Jalen Rose, Paul Pierce and Chauncey Billups react to the performance by Jayson Tatum on 2018-19 NBA opening night in Boston Celtics vs Philadelphia 76ers, and what it means for the second-year player as he, Kyrie Irving, Gordon Hayward & Co. attempt to win the Eastern Conference and take on the Golden State Warriors in the 2019 NBA Finals.