Chicago Cubs:
The 2016 Cubs convention proved that for some fans, there is no offseason:
“The regular season may still be four months away, but for some fans baseball season is already starting. For the Cubs, things got rolling over the weekend with the annual Cubs Convention.
Fans got their first taste of the coming season during the convention’s opening ceremony. With raucous fans in attendance, some of the top players currently on the team’s roster were introduced.”
Chicago Sun-Times, “The first look at the 2016 Chicago Cubs at the Cubs Convention,” January 18, 2015