Right-handed reliever Todd Coffey has agreed to a one-year contract with the Nationals. Coffey, 30, went 2-4 with a 4.76 ERA in 69 appearances with Milwaukee in 2010. In six major league seasons, he is 19-17 with 11 saves and a 4.15 ERA in 369 games, all in relief, with the Brewers and Reds.