MLB roundup: Austin Riley hands Braves 1-0 walk-off win

Austin Riley sliced a double to right-center field to drive in Matt Olson in the ninth inning and give the Atlanta Braves a 1-0 walk-off victory over the visiting Arizona Diamondbacks on Sunday.

The winning rally came against Mark Melancon (3-9). With one out, Olson singled to left and Riley followed with his 31st double and second game-ending RBI of the season.

The first seven innings were dominated by each team's star