The San Francisco 49ers lit social media on fire after their dominant 45-29 win over the Arizona Cardinals to clinch the division.
"Winning the division is very important. It's a big step for us," running back Christian McCaffrey said after the Week 15 victory. "Everybody knows where we want to be and we know that each week you have to bring your best ball, we're going to get everyone's best shot, so the standards got to continue to rise."
Here's a list of some of the best posts from people around the league reacting to the 49ers becoming NFC West champions: