NFL Week 1 top viral moments: Tua-Tyreek duo goes off, Bears fans still rue Packers

The NFL is finally back, and with it, fans, players and commentators are taking to social media to react to their favorite fun moments from around the league.

Here is what had NFL fans buzzing online during the first full game slate of the season!

[NFL Week 1 top plays: 49ers, Packers, Rams win; Cowboys-Giants up next]

Green Bay Packers at Chicago Bears

Dick Butkus, linebacker legend…