ATLANTA — Spencer Strider knew better than to panic when facing an early two-run deficit. With the Atlanta Braves’ bats backing him, Strider had good reason to remain confident on the mound. Ozzie Albies’ two-run homer in the fifth gave Atlanta the lead and the Braves charged back to beat the Miami Marlins 6-3 on Sunday for their 16th win in 17 games. “It just gives you confidence you don’t have to be perfect,” Strider said of the Braves’ offense, which outscored the Marlins 29-7 in the three-game sweep.