7:05, Citizens Bank Park. TV: Comcast SportsNet. Radio: WPHT (1210-AM); WUBA (1480-AM) Spanish. Ticket info: The Phillies have about 1,500 tickets remaining for tonight's game.

Astros RHP Wilton Lopez (0-0, 8.44) vs. Phillies LHP J.A. Happ (11-4, 2.79)

Astros update: Lopez will be making his first major league start in his seventh overall appearance ... The 26-year-old Lopez was 3-5 with a 3.91 as a starter for Double A Corpus Christi before he was recalled on Aug. 28 ... RHP Doug Brocail entered last night with nine consecutive scoreless innings pitched ... Houston entered last night with 21 home runs in their last 16 games, the most in the NL over that stretch ... Miguel Tejada entered last night with 187 hits, an Astros record by a shortstop.

Phillies update: Happ is coming off his first extended action since a strained rib cage muscle scratched him from two starts ... The rookie lefthander has showed nice command of his off-speed pitches in allowing two runs in 5 2/3 innings of a 9-4 win over the Brewers ... Happ leads all Phillies starters in ERA and has allowed the fewest hits per nine innings (7.7) ... Happ was scheduled to face the Astros in Houston over Labor Day weekend but was scratched from his start when he strained his intercostal muscle in batting practice.