Washington Nationals acquire reliever Kelvin Herrera from Kansas

Kelvin Herrera traded to Nationals

Kansas City will always be the place where Kelvin Herrera found his voice - The Athletic

Royals trade Kelvin Herrera to Nationals for three prospects

CLE@KC: Herrera gets Royals out of trouble in the 7th

In Kelvin Herrera, Nationals may have added the final piece of a true postseason bullpen

Nationals lose potential trade chip Kelvin Herrera to season-ending foot injury

Nationals place reliever Kelvin Herrera on DL - ESPN

Nationals acquire 2-time All-Star reliever Kelvin Herrera from Royals for 3 minor leaguers

Kelvin Herrera Announces Retirement - MLB Trade Rumors

Former Royals reliever Kelvin Herrera retires - Royals Review

Chicago White Sox and RHP Kelvin Herrera Agree to Two-Year Contract. – Blogging the Red Sox

Former Royals reliever Kelvin Herrera retires - Royals Review

MLB Trade: Nationals acquire veteran reliever Kelvin Herrera from Royals

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