Everything you need to know before the Florida Gators first game of the Phil Knight Legacy Invitational on Thursday against Xavier. Photo: Golden Ball PK80; Credit University of Florida Athletic Association The Florida Gators hit the ground in Portland, Ore., for the Phil Knight Legacy where they will play three games in four days over Thanksgiving Weekend. The Gators are joined by Duke, Gonzaga, Oregon State, Portland State, Purdue, West Virginia and Xavier in the field. Florida will tip-off against Xavier on Thursday. You can find everything you need to know about the matchup below. Need last-minute tickets? Purchase them…