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Rodriguez appeared in one game this season, allowing a run and a hit in two innings.

Corbin, a 21-year-old left-hander, has spent the season in the lower levels of Los Angeles’ system.

The New York Yankees were among the teams in discussions with the Diamondbacks about Haren. Arizona is looking to build for the future and, although team officials insist that’s not the goal, dump a significant portion of its payroll.

Haren, who turns 30 in September, is due to make $12.75 million each of the next two seasons with a club option for $15.5 million in 2013. If the option is not picked up, Haren is due a $3.5 million buyout. His contract also includes a list of teams to whom he could veto any trade.

Haren is having an off year by his standards. He is 86-70 with a 3.71 ERA for St. Louis, Oakland and Arizona.

The Diamondbacks acquired him from the Athletics after Arizona finished with the NL’s best record in 2007 and made a surprise run to the NL championship series.

Haren has been among the game’s most durable pitchers with at least 33 starts and 216 innings each of the past five seasons. He was fifth in NL Cy Young Award voting last season.