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Here's how fans, celebrities, animals and world leaders celebrated Opening Day with #CapsOn

The 2016 MLB season is officially off and running. After three games Sunday, Monday featured 10 more and baseball aficionados around the globe showed their fandom by putting their #CapsOn.
If you somehow missed the hype, here's the rundown: Major League Baseball asked all fans to wear the cap of their favorite team on Opening Day to celebrate the return of baseball. And wear it they did. To the office. To school. To the park. It didn't matter where, they showed their spirit and wore their caps. Here are some of the best.
At least one player showed fans how to wear their caps with style ... IN PERSON:

Stuck inside due to some bad weather -- Dellin Betances used his team's Snapchat lens to put on a cap: 

Superheroes, NHL teams, world leaders and even your adorable pets celebrated the return of baseball with their #CapsOn. Check 'em out below:

We hope you enjoyed Opening Day! Remember to keep your cap on all season long, and keep Tweeting with hashtag #CapsOn through April 7 to make this awesome MLB cap emoji automatically appear: