Getty The New York Giants are officially signing quarterback Tommy DeVito prior to the start of NFL free agency. The New York Giants will finally get one quarterback under contract this weekend, officially, according to NorthJersey.com insider Art Stapleton . “I’m told Tommy DeVito will sign his exclusive rights free agent (ERFA) tender at some point this weekend, per sources,” Stapleton reported on March 6. “So, the Giants will officially have one quarterback on their roster as [general