Trading A.J. Pierzynski made sense. Joe Mauer was thriving in the upper minors, so the Twins had a cheap, young catcher ready to contribute. They had even less payroll flexibility than they do now, and Pierzynski was about to become expensive. Twins GM Terry Ryan obtained prospects Boof Bonser and Francisco Liriano for Pierzynski, but as Ryan told the Minneapolis Star Tribune at the time, Joe Nathan was the centerpiece of the trade. "We feel good about Nathan coming...