Although Antonio Brown has seemingly signaled his desire to join the team, San Francisco 49ers head coach Kyle Shanahan said the Niners haven't formally reached out to the Pittsburgh Steelers about acquiring the Pro Bowl wide receiver, per the Bay Area News Group's Cam Inman.
Brown formally requested a trade from the Steelers earlier this month, according to ESPN's Adam Schefter.
This article will be updated to provide more information on this story as it becomes available.
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