Janssen, 34, has posted a 31-29 record with 90 saves in 437 career appearances in the Major Leagues with the Nationals and Blue Jays. Washington signed Janssen as a free agent before the 2015 campaign, and he gave up five home runs in 40 innings this past season.
McLouth, 34, batted .173 in 79 games for the Nationals in 2014, and he's been a .247 hitter with 101 home runs in 1,045 games at the big league level with the Nats, Pirates, Braves and Orioles. McLouth was an All-Star for Pittsburgh during the '08 season, and he hit .