Pitching was the key for the Seattle Mariners in a 1-0 victory against the Pittsburgh Pirates on Saturday at T-Mobile Park. Living up to his nickname,

Luis Castillo pitched seven scoreless innings and struck out a season-high eight batters as the Seattle Mariners defeated the visiting Pittsburgh Pirates 1-0 on Saturday evening.

Luis Castillo had his best outing of the season and rookie Ben Williamson drove in the game's only run as the Mariners eked out a 1-0 victory over the Pirates.