Sharks Logo Origin Explained [GIF] June 6, 2016 / 11:26 AM PDT / CBS Sacramento Since the NHL expansion in 1991, the San Jose Sharks logo has become a sports icon.

We're not talking about rule changes here, we're talking about logos. Thanks to Yahoo Sports' Eric Orvieto, we can see just how much each team's logo has changed over the years in one GIF.

Major League Baseball team logos have undergone many makeovers through the years, and thanks to Eric Orvieto of Yahoo Sports, there is an awesome GIF that shows all of those changes.