Marlins walk off Tigers in extras on Troy Johnston's homer

(Photo credit: Jim Rassol-Imagn Images)

Troy Johnston hit a walk-off two-run home run in the 11th inning -- his second homer of the game - to give the host Miami Marlins a 6-4 come-from-behind win over the Detroit Tigers on Saturday.

The Marlins (70-79) won their fourth straight and assured themselves of winning the three-game weekend series.

The A.L. Central-leading Tigers (84-65) lost their third st