A former Kansas City Chiefs and Las Vegas Raiders wide receiver has been suspended for three games by the NFL for violating the substance abuse policy.

San Francisco 49ers wide receiver and former Kansas City Chiefs Super Bowl champ Demarcus Robinson will be suspended for the first three games of the upcoming NFL season, 49ers head coach Kyle Shanahan said Wednesday.

So, what is the reason behind San Francisco's inability to stay healthy? Is there a deeper problem here? Well, Matt Barrows of The Athletic identified what he feels is the reason for the Niners' constant injury problems,