Giants fire OL coach Marc Colombo, replace him with Dave DeGuglielmoColombo came with Jason Garrett from Dallas this past offseason11/18/2020, 5:19 PMCoby GreenFreelance Editorial ProducerJan 5, 2019; Houston, TX, USA; Indianapolis Colts offensive line coach Dave DeGuglielmo against the Houston Texans during the AFC Wild Card at NRG Stadium. / © Mark J. Rebilas-USA TODAY Sports