Hill air-balled a three-pointer, but Blackshear came up with a decisive offensive rebound before Williams called a timeout with five seconds left to draw up one final play.
Villanueva and Josh Boone sealed off the middle of the floor and helped give UConn a decisive 53-32 rebounding advantage.
De Vita struck the decisive goal from a rebound as the Staggies held out to leave United without a victory in nine matches.
Santorum badly needed a rebound after a decisive Illinois loss to Romney earlier in the week that moved party stalwarts to rally around the front-runner.
But even after losing the stars Patty Mills and Diamon Simpson from last year's 28-7 them, the Gaels rebounded from two decisive regular-season losses to the Bulldogs.
Antonio Davis scored 11 of his 25 points in the decisive third quarter and added 13 rebounds as the Raptors matched franchise highs for regular-season victories (45) and home victories (26).
There was some question how Duffy would rebound from such a decisive loss.
The goalkeeper Luis Zwick was tall and imposing at times, but will be concerned that twice he pushed away shots back into dangerous areas, with Nick Ross failing to convert one rebound, but McPake being more decisive in the closing seconds.
Miller scored a game-high 34 points, 17 in the decisive fourth quarter, and finished with 5 rebounds and 4 steals in the Pacers' 93-80 victory.
While pockets of weakness exist, the Federal Reserve's rapid and decisive easing of monetary policy points to rebounding demand in the second half of the year.
