Giants lock up another lineman as C Jon Halapio signs ERFA tenderBig Blue traded for RG Kevin Zeitler on Friday3/9/2019, 12:57 AMOct 15, 2017; Denver, CO, USA; New York Giants offensive tackle Jon Halapio (75) in the second quarter against the Denver Broncos at Sports Authority Field at Mile High. Mandatory Credit: Isaiah J. Downing-USA TODAY Sports / Isaiah J. Downing