ATLANTA— The first-place Los Angeles Dodgers bolstered their pitching staff on the eve of the trade deadline, completing a 13-player deal with the Atlanta Braves and Miami Marlins on Thursday that sent two starters and two relievers to the NL West leader. Clinging to a half-game leader over San Francisco, the Dodgers acquiring right-hander Mat Latos from the Marlins and left-hander Alex Wood from the Braves, two pitchers who can move right into the rotation behind aces Clayton Kershaw and Zack Greinke. Also, Los Angeles obtained relievers Jim Johnson and Luis Avilan from Atlanta, adding needed depth to the bullpen.