Rookie wide receiver Jacob Cowing's absence from a third consecutive game raised some eyebrows after the San Francisco 49ers's loss to the Los Angeles Rams. Cowing figured to be a player who saw a bigger role with veteran WR Deebo Samuel sidelined by a calf injury.

Kyle Shanahan is stubborn. That's why he played Ronnie Bell 30 snaps and Jacob Cowing 0 snaps against the Rams. Bell is in his second season on the team and knows the offense better than Cowing, who's a rookie.

The San Francisco 49ers appear as if they could use contributions from Jacob Cowing, but coach Kyle Shanahan explained why the rookie wide receiver isn't ready just yet.