The Houston Astros acquired pitcher Randy Wolf from San Diego on Tuesday in exchange for minor leaguer Chad Reineke. Wolf, an NL All-Star in 2003, is 6-10 with a 4.74 ERA in 21 starts for the Padres this season. The 31-year-old is in his 10th season and will play for his fourth team. He previously played for Philadelphia (1999-2006) and the Los Angeles Dodgers (2007) before joining the Padres this...