The MLB Belt · rivalry
Seattle Mariners vs. Washington Nationals
6Belt meetings
1Mariners wins
5Nationals wins
3Title changes
Seattle Mariners and Washington Nationals have met 6 times with the MLB belt on the line, from June 10, 2003 to June 12, 2005. The belt changed hands in 3 of those games. Washington Nationals lead the belt series 5–1.
| Belt game | Date | Result | |
|---|---|---|---|
| 18,933 | Jun 10, 2003 | Montreal Expos beat Seattle Mariners 7–3 | Title change |
| 18,934 | Jun 11, 2003 | Montreal Expos beat Seattle Mariners 3–1 | Defense |
| 18,935 | Jun 12, 2003 | Seattle Mariners beat Montreal Expos 1–0 | Title change |
| 19,271 | Jun 10, 2005 | Washington Nationals beat Seattle Mariners 9–3 | Title change |
| 19,272 | Jun 11, 2005 | Washington Nationals beat Seattle Mariners 2–1 | Defense |
| 19,273 | Jun 12, 2005 | Washington Nationals beat Seattle Mariners 3–2 | Defense |