Giants release four players, sign five undrafted free agents

The Giants announced the signing of five undrafted free agents on Monday, a group that includes a member of the 2013 All-SEC Coaches Team. South Carolina defensive tackle Kelcy Quarles, who notched 9.5 sacks in 2013, is among the Giants’ post-draft rookie additions. Also signed were Louisiana-Lafayette linebacker Justin Anderson, Michigan safety Thomas Gordon, BYU…