The New York Giants signed fourth-round draft pick Andre Williams and fifth-rounder Nat Berhe on Friday.

Williams, a running back out of Boston College, rushed for an ACC-record 2,177 yards, averaging 6.1 yards per carry. He scored 18 touchdowns and was a Heisman Trophy finalist in 2013.

Berhe, a safety out of San Diego State, led the Aztecs with 99 tackles in 13 starts. He also had six pass breakups, 5.5 tackles for loss and one sack.

The Giants also announced that they signed undrafted rookie tight end Xavier Grimble of Southern Cal. Grimble had 25 receptions for 271 yards with two touchdowns as a junior in 2013.