Celtics notes as NBA preseason opens tonight

NBA preseason action begins tonight with Celtics vs Hornets as the lone matchup. The Celtics remain built around Kyrie Irving, Jaylen Brown, Gordon Hayward, Jayson Tatum and Al Horford, with support from Marcus Morris, Marcus Smart, Aron Baynes and Terry Rozier. The Hornets are built around Kemba Walker, aging new addition Tony Parker, Jeremy Lamb,