The Pittsburgh Pirates are struggling with the decision to trade pitcher Mitch Keller. Keller is one of the stars of the team's rotation.

With the July 31 MLB trade deadline looming, rumors are starting to fly. The expanded postseason bracket has more teams believing that they're still in the mix, which makes it hard to identify which teams are buying or selling.

The Boston Red Sox need to acquire controllable starting pitching at the trade deadline. A deal with the Pittsburgh Pirates could give them that.