David examines why the Mariners’ J.J. Putz and Rafael Soriano are two of the best relievers in baseball.

David takes a look at Curt Schilling’s opening day.

David takes a look at the Nationals’ center field decision.

David takes a look at why Rich Harden nearly un-hittable.

David takes a look at Jeremy Reed’s not-so-impressive rookie season.

David takes a look at groundball pitcher extraordinaire Brandon Webb.

David takes a look at Cincinnati’s catching tandem.

David examines if Jose Valverde is the answer to the Diamondbacks’ closer merry-go-round.

David takes a look at Kelvim Escobar and John Lackey in a double dose of Daily Graphing.

David finishes up his look at plate discipline by looking at expected walks, strikeouts and home runs.