EAGAN, Minn. — The Minnesota Vikings have signed offensive tackle Brian O’Neill, their second-round draft pick out of Pittsburgh.

The four-year deal was done Friday, before Vikings rookie minicamp began. They have three of their eight draft picks left unsigned: first-round cornerback Mike Hughes, fourth-round defensive end Jalyn Holmes, and fifth-round tight end Tyler Conklin.

O’Neill was the 62nd overall selection, a 6-foot-6, 305-pound converted tight end. He played in all 38 games over the last three seasons for the Panthers, forgoing his final year of eligibility to enter the draft. The Vikings lauded his athleticism but stressed the need for him to add strength. O’Neill is likely headed for a backup role this season behind starting tackles Riley Reiff and Mike Remmers.

Two other Pitt players were drafted — both in the fourth round — and remain unsigned. Jordan Whitehead, a safety, was selected by Tampa Bay while defensive back Avonte Maddox was chosen by Sup[er Bowl champion Philadelphia.