Nats get RHP Kelvin Herrera from Royals for 3 minor leaguers

FILE - In this May 27, 2018 file photo Kansas City Royals relief pitcher Kelvin Herrera (40) delivers against the Texas Rangers during the ninth inning of a baseball game in Arlington, Texas. Herrera has been acquired by the Washington Nationals from the Royals for infielder Kelvin Gutierrez and a pair of minor leaguers. (AP Photo/Michael Ainsworth, file)

WASHINGTON — Washington Nationals closer Sean Doolittle was going through his usual routine Monday, preparing if needed for a save, when general manager Mike Rizzo sought him out.