Mike Hrivnak airbrushes a special logo along the first-base line as he and the grounds crew get Nationals Park ready for its postseason debut Wednesday. The crew also switched out logos, touched up paint and added graphics for TV. (Andrew Harnik/The Washington Times)

Mike Hrivnak airbrushes a special logo along the first-base line as he and the grounds crew get Nationals Park ready for its postseason debut Wednesday. The crew also switched out logos, touched up paint and added graphics for TV. (Andrew Harnik/The Washington Times)