Harper belts a home run into the second deck at Nationals Park in early September.

After winning the first game of the doubleheader, tonight has the potential to be a very BIG night in Nationals history. If the Nats win the second game of the doubleheader against the Los Angeles Dodgers, they can clinch a postseason playoff spot.

John Lannan makes the start. This season he’s 4-1 with a 2.64 ERA. Lannan was also the Opening Day starter each of the 100+ loss seasons.

The magic number to clinch the NL East division after winning game one of the doubleheader is 9.

Also notable: the 2012 Nationals are the first D.C. baseball team to reach 90 wins since 1933.

Other news & notes:

• Everyone’s getting cortisone shots these days. Ryan Zimmerman got another cortisone shot with off-season shoulder surgery looking to be a possibility, and Danny Espinosa also received a cortisone shot.
• Sean Burnett says he’s healthy, just trying to break some bad habits.
• This season’s been a fun ride for Nationals’ fans, but there’s some people seeing it from a different perspective.
• Start budgeting now! Postseason tickets go on sale Friday!
• New to the Nats? The Washington Post has a need-to-know guide just for you.
• Also, a very happy birthday to Gio Gonzalez.

But for now, don’t let the injuries worry you too much. Sit, back, enjoy the ride, and watch the Nationals (hopefully) clinch their playoff spot tonight.