WASHINGTON — Hawks reserves Mike Scott and Shelvin Mack led a fourth-quarter surge on a night when starters were struggling, and Atlanta held to beat the Washington Wizards 106-102 Tuesday. Scott and Mack scored Atlanta's first 16 points of the final period, sparking a 22-5 run that built a 14-point lead before the Wizards hit a spate of 3-pointers to make the final score close. Scott finished with 17 points in 23 minutes, and Mack had 13 in 19 for the Hawks, who have won six of eight.