fare such as burgers and hot dogs. When the stadium first opened in 2008, the restaurant was enclosed by glass windows with a view of the field, which were soon made retractable. The restaurant was eventually expanded to outside the interior, with tables being placed in three rows outside. The ballpark's press box is named in honor of longtime Washington Post sports columnist and reporter Shirley Povich, cited as a longtime friend of Lerner by the team. In 2010, the stadium added the Ring of Honor, celebrating players from the Washington Senators (Joe Cronin, Rick Ferrell, Goose Goslin, Clark Griffith, Bucky Harris, Walter Johnson, Harmon Killebrew, Heinie Manush, Sam Rice, and Early Wynn), Negro league Washington Homestead Grays (Cool Papa Bell, Ray Brown, Josh Gibson, Buck Leonard, Cumberland Posey, and Jud Wilson), and the Nationals franchise's previous incarnation, the Montreal Expos (Gary Carter and Andre Dawson) who have been inducted into the Baseball Hall of Fame. Since 2011, a submarine dive horn has blared after every Nationals home run and win—a nod to the park's location in the Navy Yard neighborhood. And as with any World Series victory, as it did in , Queen's "We Are the Champions" is played over the PA. In September 2018, Nationals Park began using a bullpen cart. In September 2018, the ashes of John McNamara, a sportswriter killed in the Capital Gazette shooting, were spread in the flowers just over the left-field fence. In terms of batting park factor ESPN writer Tristan H. Cockcroft has said that "Nationals Park has been remarkably consistent in its neutrality from a run-scoring perspective." On January 11, 2021, the Nationals announced a partnership agreement with Bet MGM, a subsidiary of MGM Resorts International, to open a sportsbook at Nationals Park. The sportsbook will be accessible from outside the park and located by the Center Field Gate in a space formally occupied by auxiliary event space Center Field Social. Fans inside the stadium will be able to bet using a mobile device within the stadium and a two-block radius of the ballpark. Seating Seating at Nationals Park is divided into over twelve different pricing zones. There are four seating levels: the field level, mezzanine level, gallery level, and upper gallery level. The Grandstand is composed of sections 401 and 402, in the corner of the upper deck in the left field, in which seats are $5 for all games