By Daniel Chavkin The TV network is getting something from ESPN in return for letting him out of his contract. View the original article to see embedded media. On Friday, it was reported that Joe Buck will be leaving Fox to join ESPN as the new voice of “Monday Night Football.” He will be joining his former Fox partner Troy Aikman, who agreed to a deal with ESPN earlier this year. But while Aikman’s contract was up, and he was free to sign elsewhere, Buck’s wasn’t. Buck had one-year and around $10 million remaining on his Fox deal, according to theNew York Post’s Andrew Marchand. Therefore Fox…