Let's call it an informal fan drive. Opening Day at Safeco Field, a mass of humanity coming to see good baseball - bring a run when you come.
The Seattle Mariners won't be picky. Bring a home run, an unearned run, a manufactured run ...
No, you won't get in free, but if people bring enough runs, you might see a lopsided Seattle win. Ryan Rowland-Smith is starting today, so it shouldn't take more than 20,000 or so.
If you haven't left for the game yet, dress warm. And please, bring a run. Your teams needs every one it can get.