The Boston Celtics’ Doc Rivers and the San Antonio Spurs’ Gregg Popovich today were named the NBA Eastern and Western Conference Coaches of the Month, respectively, for games played in October and November.

Rivers guided the Celtics to a 13-2 (.867) record last month, including eight straight wins to open the season. Boston outscored opponents by a 13.7 ppg margin while holding teams to a .410 field goal percentage. The Celtics recorded a perfect 8-0 mark at TD Banknorth Garden, besting the opposition at home by 21.6 points over that stretch. Owners of the NBA’s top record at month’s end, the Celtics enjoyed the franchise’s best November since 1985-86 when Boston opened 13-1.

Popovich led the Spurs to a 14-3 (.824) record in October and November, tying the franchise record for best start after 17 games, last accomplished in 2005-06. San Antonio, which won five straight from Nov. 16 through Nov. 25, was a perfect 9-0 at AT&T Center. The Spurs committed a league-low 12.0 turnovers per game, including setting a franchise record low with three turnovers in a 128-110 win over Orlando on Nov. 21.

Other nominees for the Coach of the Month were Dallas’ Avery Johnson, Detroit’s Flip Saunders, Houston’s Rick Adelman, Orlando’s Stan Van Gundy, Phoenix’s Mike D’Antoni and Utah’s Jerry Sloan.