The biggest team in baseball opens the MLB season as the New York Yankees take on the defending World Series champion Washington Nationals.

Meanwhile, at the same time, perhaps the biggest athlete in all of sports, LeBron James, will take the court as his Los Angeles Lakers face the Dallas Mavericks in a scrimmage game.

But which brand is bigger, the iconic Yankees or the King of the NBA? Well, there's a case for each and Sports Illustrated host Robin Lundberg talked with SI writer Ben Pickman and "The Fantasy Exec" Corey Parson to get their takes.