The New York Giants are bringing back linebacker Isaiah Simmons, a former first-round pick who was brought over in a trade with the Arizona Cardinals before last season.Simmons, who was an unrestricted free agent, agreed with the team on a one-year deal, according to ESPN.Acquired for a seventh-round pick from Arizona, Simmons played in all 17 games (four starts) last season for the Giants, contributing 50 tackles, one interception and a sack.