49ERS 19 -- Although the swirling wind was the most impressive force at Candlestick Park, Atlanta's maligned defense made sure Coach Jim Mora Jr.'s homecoming was a hit Sunday.

Aaron Beasley returned a goal line interception 85 yards in the fourth quarter, and Rod Coleman batted down Tim Rattay's pass on a two-point conversion try with 40 seconds left in the Falcons' 21-19 victory over San Francisco.

Warrick Dunn rushed for two touchdowns and Michael Vick was 13 of 22 for 163 yards in an uninspiring debut under Mora, the longtime San Francisco defensive coordinator who took over the Falcons last January. Rattay left his fourth career start in the second quarter with a shoulder injury, but returned to lead two fourth-quarter touchdown drives. He finished 18 of 31 for 175 yards.

Ken Dorsey replaced Rattay in the second quarter and guided the 49ers to two field goals, cutting Atlanta's lead to 14-6. After Dorsey hurt his shoulder late in the third period, Rattay returned and drove the 49ers to the Atlanta 3 with 9:30 left.

But Beasley stepped in front of Curtis Conway in the end zone and rambled all the way back to the San Francisco 15. Dunn scored moments later, spinning into the end zone for a nine-yard touchdown.