Summary: Golden State Warriors head coach Steve Kerr looks on from the sidelines during the first half of an NBA basketball game against the Dallas Mavericks in Dallas, Monday, Oct. 23, 2017. (AP Photo/LM Otero) Golden State Warriors head coach Steve Kerr looks on from the sidelines during the first half of an NBA basketball game against the Dallas Mavericks in Dallas, Monday, Oct. 23, 2017.