Per Mike Garafolo of NFL Media, the Lions have agreed to terms with cornerback Rock Ya-Sin. Ya-Sin spent last season with the 49ers, mainly playing special teams. He appeared in 13 contests for the club,

Cornerback Rock Ya-Sin made 3 tackles and had 2 pass breakups in 13 games with the San Francisco 49ers last season, playing mostly on special teams.

The Detroit Lions are fortifying their depth at cornerback by agreeing to terms with veteran Rock Ya-Sin, according to NFL Network on Thursday.