Riggleman could stay with Nationals - The Wash. TimesDon Mattingly, bench coach of the Los Angeles Dodgers, has removed himself from consideration as next Washington Nationals manager. Given that the Nats have recently supplied Riggleman with "new electronic equipment" it seems they have the intention of keeping him around. The knock on the Nats is they don't want to spend a lot of money on a manager, eliminating Bobby Valentine and Buck Showalter as possibilities. Former Arizon...