2018 has given sports enthusiasts many moments of brilliance, celebration and even shock.
So here is a look at some of the top moments that will be hard to forget for quite some time:
Above, Serena Williams of the U.S. yells at chair umpire Carlos Ramos in the women's final against Naomi Osaka of Japan at the U.S. Open tennis tournament in New York. (Danielle Parhizkaran-USA TODAY)