BP Daily: Trade, then prosper

After deadline deals, superstar players tend to exceed expectations

Originally Published: July 22, 2009
By Christina Kahrl and Clay Davenport | Baseball Prospectus

The trading deadline is almost upon us, and rumors swirl around Roy Halladay more than any other player. (Keep up to date with MLB Rumor Central.) A great part of the excitement is fueled by remarkable post-trade performances from two superstars in 2008.