As the Houston Astros have lost five straight, which area should concern fans most: The club's (lack of) hitting; starting pitching or relief pitching? Former major league scout Jeremy Booth offers his take and breaks down the Astros' brawl with the Oakland A's.

The market for sports cards has exploded and prices are skyrocketing. What's the cause and could the bubble burst? Rich Mueller, editor and founder of the Sports Collectors Daily website, knows the hobby better than almost anyone.

Matt Musil relives Hal Sutton's PGA Championship victory and Daniel Gotera profiles an Olympic athlete who's undergone knee surgery after knee surgery after knee surgery.

Sports Extra (August 9), featuring Jason Bristol, Jeremy Booth, Daniel Gotera, and Matt Musil