San Francisco 49ers wide receiver Demarcus Robinson has been suspended for the first three games of the upcoming NFL season for violating the league's substance abuse policy. The suspension is not yet official as Robinson and the 49ers work through the appeal process,

Here's who stood out on Day 17 of 49ers training camp. Keep in mind, second-year wide receiver Jacob Cowing did not practice.

49ers wide receiver Jacob Cowing did not practice Wednesday. Coach Kyle Shanahan said on KNBR that Cowing is dealing with the same lingering hamstring injury that sidelined him early in camp. “Yes, it is [the hamstring],” Shanahan said on the radio, via David Bonilla of 49erswebzone.com. “ He felt it yesterday, so we had to hold him back today.”

The 49ers wisely have some key veterans, most prominently Nick Bosa, Christian McCaffrey and Trent Williams, on schedules designed to keep them fresh and out of the fray from time to time. Quarterback Brock Purdy is a leader in a more reserved, analytical way. Deommodore Lenoir is stepping up to push the secondary.

There's no clarity yet on which quarterback will start for the San Francisco 49ers in their final preseason game.

This article was originally published on www.si.com/nfl/49ers as Why the 49ers are Poised for a Rough Start to Their Season. The vibes were immaculate for the San Francisco 49ers when they started OTAs. Everything and everyone was hopeful and feeling refreshed for the 2025 season. However, those vibes may come crashing down soon.

Robinson has been suspended for the first three games of the 2025 NFL season. The suspension stems from a DUI charge from November 2024. The 49ers wide receiver pleaded no contest in July 2025 to the misdemeanor DUI charge and was sentenced to three years of probation.