Sports Journalists Battle for Relevancy: A Nieman Report. In an age of social platforms and celebrity athletes, Bleacher Report, The Players' Tribune, and The Athletic are challenging legacy sports media
What Does It Take to Cover Big Time Sports? Former Associated Press vice president talks about the future of sports journalism.
Sports Reference: Free basic stats and advanced analytics
Professional League Statistics
Other Sport Statistics Sources (mix of free and paid sources)
Capology salary database (soccer)
Over The Cap (NFL)