By Andrew McCarty With Halloween just a few weeks ago, United States Women’s National Team star Alex Morgan’s social media post about her old costumes started going viral. “You must like to dress as a soccer player for Halloween,” the prompt on the video read. Just a few seconds later, she showed that to be very untrue. In the video, she showed off a few of her past costumes: a unicorn, Eleven from Stranger Things, a United States Olympic gymnast and more. Check it out. View the original article to see embedded media. Morgan hasn’t revealed her costume for this year just yet, but there’s still…