When was the first interleague or interconference game played in the NFL?
As far as regular season contests go, the first interconference game was played on September 20, 1970 between the Minnesota Vikings and Kansas City Chiefs. The Vikings won 27-10.
No. Ken Griffey Jr. never to date has played at Safeco Field. However in 04 Seattle had a game of interleague play scheduled, but Cincinatti petitioned to have it replaced with a with Cleveland. Seattle ended up playing Montreal. Ken Griffey did break ground at Safeco. But his first game (hopefully) will be with the Reds in 2007.
The first time they played each other was an exhibition game (called the Mayor's Trophy game) played June 20, 1963 (Mets 6 Yankees 2 at Yankee Stadium). Their first meeting in regular season interleague play was June 16, 1997, with the Mets beating the Yankees 6-0 at Yankeee Stadium. Their first meeting in the World Series came October 21, 2000, with the Yankees beating the Mets 4-3 in 12 innings at Yankee Stadium.
As of the 2006-2007 season: Each team in the NHL plays 82 games - 41 at home and 41 on the road. 6 games (3 home, 3 away) are played against each team in the Division (24 games) 4 games (2 home, 2 away) are played against the other teams in the Conference (40 games). 18 games (9 home, 9 away) of the season are interconference games. 3 interconference teams play both a home and…