A busy edition of Nats Insider as Dan Kolko talks about the key injuries to Starlin Castro and Stephen Strasburg Friday night. Also some big league debuts for guys like Seth Romero, Dakota Bacus, and Luis Garcia. We're joined by new reliever this season Kyle Finnegan as he talks about his journey to make it to the big leagues. Sunday is the 100th anniversary of the Negro Leagues and we talk about that with Sean Gibson, Bob Kendrick, and Justin Maxwell. CEO of Nationals Philanthropies Tal Alter to wrap up the show.