The Mariners and Astros will play the second game of a four-game set on Saturday after a 9-6 Seattle win to open the series. Baseball DFS players can sign up with the Sleeper Fantasy promo code NYPBONUS  for  $20 plus 100 percent deposit match up to $100 for M’s vs. Astros. Lance McCullers Jr. (1-0, 3.27 ERA) will start for Houston against Seattle’s Luis Castillo (0-0, 2.79 ERA). Sleeper Fantasy Promo NYPBONUS for Astros vs. Mariners You can enter the Sleeper Fantasy promo code   NYPBONUS when