Some of you have asked whether, given that 300-plus-pound Lawrence Okoye is one of the fastest players on the team, he could land a roster spot solely as a special teams ace in the way that guys like Blake Costanzo and Bubba Ventrone have in the past. Here’s Jim Harbaugh’s answer to that question:Lawrence Okoye has stood out on special teams this spring, but he’ll have to make the squad as a defensive lineman, Jim Harbaugh said.