Because April Fools' Day is all about jokes and pranks, here's an opportunity for a Nats-related chuckle. The Nationals had two references last night in Jimmy Kimmel's monologue last night on "Jimmy Kimmel Live." The ABC late-night host and comedian joked about the opening day ceremonial first pitch by members of the military at Nationals Park and about Larry King's upcoming first pitch at Saturday afternoon's game. Tune in 4:50 into the monologue to catch Kimmel's jokes related to the Nationals. Also, check out this breaking news from Nationals Enquirer. Happy April Fools' Day!