The 10 most shared Pac-12 Facebook posts of 2015

It's a social world, and we're just uploading video to it.

Millions upon million of you from around the nation and the world interacted with the Pac-12 on Facebook this season, and there have been plenty of amazing moments to rejoice in over the past 365 days. But which ones moved the needle most on Faceook? 

In short: Marcus Mariota, dramatic touchdowns, and some of the most stunning moments from the softball diamond you'll ever see.

We now count down the 10 most shared posts from the Pac-12 Conference's Facebook page in 2015.

10) Oregon Ducks win the 2015 Rose Bowl (2,206 shares)

On January 1, the Ducks throttled Florida State in Pasadena, earning a trip to the first ever College Football Playff National Championship Game.

9) Marcus Mariota shines in his NFL debut (2,264 shares)

The Heisman Trophy winner became the first NFL rookie quarterback to throw four touchdown passes in the first half of his first career game on Sept. 13.

8) Arizona State beats UCLA on Kalen Ballage's "moonwalk" touchdown (2,638 shares)

A nip-and-tuck battle at the Rose Bowl in a pivotal early-season Pac-12 South showdown came down to ASU's Kalen Ballage being virtually carried into the end zone to seal a Sun Devil victory.

7) Washington State shocks UCLA with last-second touchdown (2,693 shares)

The Cougars resurgence in 2015, culminating in a bowl win and a 9-win season, reached a crescendo in mid-November when Gabe Marks shocked the Bruins with a touchdown in the waning moments.

6) Joshua Garnett earns USA Football Offensive Fundamental Player of the Year (3,030 shares)

Christian McCaffrey was the Heisman finalist and AP Player of the Year, but he doesn't do any of it without his key offensive lineman opening holes all year long.

5) Francis Owusu makes incoprehensible catch against UCLA (3,391 shares)

What else do we need to say about this one? Catch. Of. The. Year.

4) Arizona football honors France by carrying flag through tunnel (3,487 shares)

The people of Paris were on everone's mind on November 14, and the Wildcats paid tribute to them (as did many teams around the league and nation) by bearing the flag of France upon entering Arizona Stadium.

3) Oregon community rally behind Marcus Mariota at NFL Draft (5,158 shares)

It goes without saying how much Mariota meant to Eugene and Ducks nationwide, and on the eve of his selection in the NFL Draft, Oregon showed its appreciation to their QB with a moving video.

2) Oregon softball clubs eight home runs in one game (9,541 shares)

This was a tour de force rarely seen on any softball diamond anywhere in college. In late March, the Oregon Ducks smacked a ridiculous eight home runs in a single victory over Washington.

1) Arizona State's Jenn Soria makes incredible leaping catch to save home run (9,804 shares)

Offense wins games, but defense wins championships. And when Arizona State's Jenn Soria soared to make this spectacular catch, she registered a highlight that was bound to go viral.