Arizona Diamondbacks general manager Kevin Towers likes to refer to the final hours before the non-waiver deadline as "the lightning round."
This year, Towers wants to make some thunder.
The Diamondbacks are trying to pull off a blockbuster for a premier starting pitcher, according to major-league sources. The identity of the pitcher is not known.
While Philadelphia Phillies left-hander Cliff Lee and Seattle Mariners righty Felix Hernandez would be two leading possibilities, it is not clear whether either is the Diamondbacks' target.
The Mariners, who have consistently and adamantly denied that they will trade Hernandez, inquired about D-backs right fielder Justin Upton earlier this month, according to a source. Those talks, however, failed to progress.
Lee, meanwhile, is clearly available - and one rival executive said early Tuesday that he had received indications that the Phillies and Diamondbacks had discussed a deal involving Lee and Upton.
Those talks, however, are uncon...