Lerner also announced that assistant general manager Mike DeBartolo has been named as Rizzo's replacement on an interim basis. DeBartolo will immediately be tasked with running the draft room for next week's MLB Draft, in which the Nationals have the top pick.

In a stunning turnabout for a franchise that placed almost blind trust in its top two baseball officials, the Washington Nationals on Sunday fired general manager Mike Rizzo and manager Dave Martinez, who assembled and led the club that won the lone World Series championship in franchise history.

The team announced Sunday that it has fired manager Dave Martinez and general manager Mike Rizzo. Washington is 37-53 on the season, sitting in fifth place in the NL East. ESPN's Jeff Passan first reported the firings.