Former world champion Steve Davis also raced to a 5-0 victory in his match against the Australian John Campbell.
In Game 3, the Lakers raced to an easy 137-104 victory as Magic Johnson dished out 21 assists.
Later, Danny Ferry scored 24 points as Duke (23-6) made its first eight shots and raced to an 88-64 victory over Wake Forest (13-15).
Unser raced to an overwhelming victory.
In a match versus Quilmes, Villanueva scored two goals to lead Racing Club to a 4-1 victory.
This was not the same Cavaliers team that raced to an 11-point victory in the opener.
Davis was favourite to win his first world title, and appeared to be racing to an easy victory when he won the first six frames of the match.
Guzi finished the game with 166 yards and three touchdowns on 19 carries as the Sailors raced to a 35-6 victory in Poughkeepsie.
Alinghi raced to a 5-0 victory against Team New Zealand on March 2, 2003, winning the America's Cup.
In the girls' field of 112, McKenna, a sophomore, raced to a 23-second victory in 14:31.