Evan Longoria will become a star, but the most important player on the Rays for the game's future is B.J. Upton.
What if every single baseball player was a free agent? Nate Silver of Baseball Prospectus presents the 50 most valuable players in the sport.
There are fewer black players in the majors than 30 years ago, but the highly-touted Upton brothers chose baseball over football.