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An emotional LaDainian Tomlinson says he's sad to be leaving the San Diego Chargers but is excited for the future.

The star running back says he wasn't given a reason why the Chargers released him on Monday after nine mostly brilliant seasons in which he became one of the greatest running backs in NFL history.

Speaking at a news conference in the ballroom at a suburban golf course, Tomlinson choked up after thanking his wife, LaTorsha, who was sitting to his right.

The 30-year-old Tomlinson says he hopes to play three or four more seasons as he continues to pursue a Super Bowl championship that never came during his San Diego days.