The term 'Giant Manning' refers to the father-son duo of NFL quarterbacks, ELI and Archie Manning. ELI Manning is a two-time Super Bowl champion who played for the New York Giants from 2004 to 2019. His father, Archie Manning, was an NFL quarterback from 1971 to 1984, playing for the New Orleans Saints, Houston Oilers, and Minnesota Vikings. The crossword solutions for the term 'Giant Manning' are ELI (3 letters) and XXX (3 letters).