When the Diamondbacks acquired All-Star starter Dan Haren from the Athletics before the 2008 season, the guiding principle was a belief in the present.
The same impetus brought young veteran Trevor Cahill to the desert on Friday as part of a five-player deal in which the Diamondbacks gave up top pitching prospect Jarrod Parker.
"We see it a window here, specifically in the NL West, after winning the division," D-backs general manager Kevin Towers said. "We are kind of in a go-for-it mode to stay on top of the division.
"A year ago, we probably dont make this trade. But winning 94 games and being the defending NL West champs ... we think we are in a better position to win now. I think you win with pitching.
Cahill will join Ian Kennedy, Daniel Hudson and Josh Collmenter in the D-backs rotation, with the fifth starter to be determined. As part of the trade with Oakland, the D-backs also received left-handed reliever Craig Breslow, who filled a stated Towers need for a second lefty...