"It's fun to do things like that during the offseason," Harper said at Camden Yards. "Stras [Stephen Strasburg] did one also. It's fun to be a part of. I was lucky enough that ESPN asked me to do something. It's going to be part of the Sports Center commercial."
Bill Ladson is a reporter for MLB.com and writes an MLBlog, All Nats All the time. He also could be found on Twitter @WashingNats. This story was not subject to the approval of Major League Baseball or its clubs.