Colorado’s Ahkello Witherspoon celebrates after breaking up a pass against Stanford during the second half of an NCAA game Oct. 22 at Stanford.
Colorado’s Ahkello Witherspoon celebrates after breaking up a pass against Stanford during the second half of an NCAA game Oct. 22 at Stanford. Ben Margot Associated Press file
Colorado’s Ahkello Witherspoon celebrates after breaking up a pass against Stanford during the second half of an NCAA game Oct. 22 at Stanford. Ben Margot Associated Press file
On the 49ers

On the 49ers

The latest Niners news with Chris Biderman

49ers sign cornerback Ahkello Witherspoon to four-year deal

May 12, 2017 02:32 PM