Tommy La Stella had three hits, including a two-run double in Atlanta's four-run sixth, and the
La Stella, the rookie second baseman, is hitting .411 with at least two hits in nine of his 16 games.
Evan Gattis and
Trout had three hits, including a homer.
Anthony Vavaro (2-1) had three strikeouts in two perfect innings.
The Braves moved back into first place in the
Santiago, trying for his first win of 2014, allowed only one two hits through five scoreless innings before fading in the sixth. He allowed four runs on five hits and two walks in 5 1-3 innings.
With one out in the sixth,
Aybar hit his fifth homer to lead off the second. He reached on a fielder's choice grounder in the third before being removed from the game in the bottom of the inning.
The Angels provided no immediate additional details on Aybar's injury.
Trout raced in to make a tumbling catch of B.J. Upton's sinking liner to end the third inning.