Abstract: The Leafs clinched a playoff spot with a win at Scotiabank Place on Saturday Night. With Pittsburgh visiting Monday, the Senators are hoping to do the same.OTTAWA — To get a clear picture of just how rare Saturday night’s events at Scotiabank Place were, it’s worth hopping into our trusty time machine and turning the dial all the way back to the spring of 2004. On your left, you’ll see three Summer Olympic Games passing by, and on your right, three Canadian federal elections.