How to watch Phillies vs. Astros series

The Phillies are coming off a complete-game shutout from Jesús Luzardo. (Logan Gehman/Phillies Nation)Just three home series remain for the Phillies in the regular season, the first beginning Tuesday against the Houston Astros.The Phillies (81-63) have 18 games left to play, and are locked in a tight race for playoff positioning. After having split a home series against Atlanta this weekend, Philadelphia is four games back in the division, with the Braves possessing the tiebreaker. The t