Why MLB teams are wearing different hats today

All weekend, MLB teams are breaking out different hats.It's a pretty awesome vibe for those who have been fans of baseball for a long time, and there's a good reason for it, too.Tampa Bay is wearing Devil Rays garb.Toronto has the old-school Blue Jays logo.Arizona is wearing the throwback Diamondbacks colors.All around the league, there are fun looks, a blast from the past.MORE: Yankees' Jose Caballero is pushing the limit of the rulesWhy are MLB hats different today and this weekend?The hats are meant as throwback looks because this is Hall of Fame Induction Weekend.On Sunday, Hall of Famers are being inducted into the National Baseball Hall of Fame in Cooperstown, N.Y.To honor the game's history, everyone is turning back the clock with their hats, and some teams with their uniforms, too: