The huge duel for the largest city football prospect in the class of 2010 has come to an end.

Seth Betancourt, a 6-6, 290-pound tackle at St. Joseph's Prep, will announce his college destination Thursday during a 12:30 press conference at his school.

Barring any late change of heart, the winner will be Boston College, a source has told the Daily News.

Betancourt, a first team Daily News All-City selection in 2008, received offers from schools across the country.