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12/08/10 4:51 PM EST

Hampton signs Minors deal with D-backs

LAKE BUENA VISTA, Fla. -- The D-backs have signed left-hander Mike Hampton to a one-year contract and are expected to announce it later Wednesday.

Hampton will receive a Minor League contract with an invite to Spring Training.

In other news, the D-backs have strong interest in veteran backup catcher Henry Blanco, but a baseball source said a deal at the moment was "not close."

Hampton was signed by the D-backs last August, and in 10 games down the stretch for them, Hampton did not allow a run in 4 1/3 innings.

D-backs GM Kevin Towers told reporters Tuesday that he expected to hear back from Hampton on the team's offer to him Wednesday.

Towers has remade the bullpen in recent weeks, but the one thing he was still looking to add was a left-hander.

Steve Gilbert is a reporter for MLB.com. Read his blog, Inside the D-backs, and follow him on Twitter @dbackswriter. This story was not subject to the approval of Major League Baseball or its clubs.