Aaron Harrison made a 3-pointer with 2.3 seconds left Sunday to lift Kentucky to a 75-72 win over Michigan and a trip to the Final Four in the men's NCAA basketball tournament.Harrison, one of five freshmen on eighth-seeded Kentucky's starting lineup, elevated over Caris LeVert, and drained it. He scored all 12 of his points over the last 8:05.Nik Stauskas missed a heave at the buzzer and the Wildcats (28-10) rushed off the bench and dogpiled Harrison at midcourt.This will be Kentucky's 16th trip to the Final Four and it marks the first time an all-freshman starting lineup has made it there since the Fab Five took Michigan in 1992.Kentucky plays Wisconsin Saturday in Texas.Stauskas led the second-seeded Wolverines (28-9) with 24 points.