Dylan Jackson is a University of South Carolina senior hoping to make a name for himself in sports social media management when he graduates in May. Over the weekend, his fantasy football team gave him an accidental head start. Jackson, a 20-year-old journalism major from Charleston, didn’t think the tweet he fired off during Sunday night’s Buccaneers-Cowboys NFL game was all that special. But a simple post lamenting his fantasy team’s Week 1 performance turned into an overnight viral success...