The Mariners are a home favorite (-169) versus the Pirates (+142). The matchup on the mound for this contest is set with the Seattle Mariners looking to Luis Castillo (4-5), and Mike Burrows (1-2) getting the nod for the Pittsburgh Pirates.

The Pittsburgh Pirates and Seattle Mariners play the second game of their 3-game series Saturday at T-Mobile Park in Seattle.

S EATTLE — The Seattle Mariners lit the fireworks early against the Pittsburgh Pirates on the Fourth of July. The Mariners prevailed 6-0 off a four-home run day in the intraleague showdown, including two from designated hitter Cal Raleigh.