San Francisco 49ers wide receiver Brandon Aiyuk has sparked controversy after posting on Instagram to mock head coach Kyle Shanahan over a car crash Shanahan recently admitted he caused. The post has drawn significant backlash from fans and commentators, and analysts suggest it could further damage Aiyuk's standing in the NFL, potentially affecting his prospects of securing a future job with another team.

The incident follows Shanahan's admission that he caused a car crash after taking his eyes off the road to look for his phone. According to the report, Aiyuk's social media conduct has already strained his relationship with NFL coaches and general managers and has had financial consequences for him. Commentators, including former NFL Pro-Bowler Shawne Merriman, have publicly discussed the episode as part of a wider pattern of what has been described as a difficult offseason for Aiyuk's career.