MLB podcast: 2nd-half preview

Welcome to Expand the Zone, theScore's weekly MLB podcast hosted by Jonah Birenbaum and Michael Bradburn.

Find the show on iTunes, Spotify, SoundCloud, and Stitcher. Be sure to rate, review, and subscribe, too!

Topics in this edition include:

• Is the Home Run Derby too long?
• Should players be mic'd up all the time like they were for the All-Star Game?
• Handing out letter grades and identifying rest-of-season goals for each club.