Updated

Red Sox manager Bobby Valentine says he was undermined by some of his coaches this season.

Valentine also told Boston radio station WEEI that his coaches were not loyal to him. Before the Red Sox played the New York Yankees in the final game of the regular season Wednesday night, he said it was just a feeling and could not provide specifics. He did say he thought the friction with the coaches had little to do with the team's first last-place finish in the AL East since 1992.

In what could have been his final pregame news conference, Valentine said he regrets making negative comments about Kevin Youkilis in April because he didn't expect the reaction they got.

Also, general manager Ben Cherington says he will not discuss Valentine's status until after the season is over.