Brandon Aiyuk's days in the Bay Area might be numbered ... 'cause the NFL star has officially requested a trade from the San Francisco 49ers.
NFL Network's Mike Garafolo broke the news on Tuesday ... saying the 26-year-old wide receiver has asked the team to find him a new dance partner after an offseason of failed negotiations over a long-term deal.
Aiyuk is owed around $14 mil, from the 49ers this season, but with wide receivers seeing pay increases around the league .