could be on his way out of town by July 31, the MLB's trade deadline.
According to Fox Sports Arizona, Haren would be willing to waive his partial no-trade clause if the deal was presented.
Haren has a clause in his contract that allows him to cancel trades to 12 teams this year and eight teams next season.
Now, before all you D-Backs fans get all upset that the team's best player will be shipped out of town tomorrow, the D-Backs have to strike a deal of which Haren would approve.
There are plenty of teams that could use Haren's services in the final few months of the season to make a playoff push or even a deep run in the postseason.
Here are some of them:
Yankees - Yes, even with the best record in baseball the Yanks desperately need Haren, as Andy Pettitte and A.J. Burnett are banged up. In Haren, the Yanks would get a workhorse who is also known for strikeouts. The clear ace of the D-Backs staff, Haren would provide New York with a solid number-two option behind CC Sabathia.
Braves - The surprise leaders of the NL East are looking to send Bobby Cox out a winner in his final season. Adding another quality arm would probably give them the depth they need. It's hard to believe Atlanta has only won a single World Series title in Cox's tenure, but their chances would improve greatly with Haren.
Reds - Maybe one of the biggest surprises in all of baseball, the Reds are just half a game out of first in the NL Central. Their offense isn't a problem with mashers like Joey Votto and Scott Rolen. Like the Braves, however, they could use another arm to help them down the stretch toward October.
Dodgers - A rival to the D-Backs in the NL West, the Dodgers currently sit six games behind the Padres for the division lead. For a team that's been in the postseason the past two years, it's time to crank up the effort. A pitching trio of Chad Billingsley, Clayton Kershaw, and Haren would be lethal come autumn.
Mets - The D-Backs have a chance to sweep the Mets tonight. Anytime that happens, you need some help. New York will get a good look at Haren as he pitches tonight. If they like what they see, they could pull the strings for a deal.
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Twins - Considered the frontrunners for Cliff Lee, the Twins may now turn their focus to Haren. The Twinkies are three and a hal games out in a heated three-way race in the AL Central and could use Haren to bolster their depth. Offense isn't a problem for this team as they have Joe Mauer and Justin Morneau.
Ultimately, the decision comes down to whether Haren waives his partial no-trade clause.
"I was born and raised on the West Coast... obviously staying on the West Coast would be nice. If I went to the east, if a trade came with a team on my no-trade [list], I would have to consider it," Haren told Fox Sports Arizona.
What do you think? Will Dan Haren be an Arizona Diamondback on August 1?