Nick Swisher is on a roll. Right after announcing his engagement to actress Joanna Garcia (above), the Yankee outfielder and his beloved won the trivia night quiz at Southern Hospitality on Second Avenue. A spy told us they beat 20 other teams to win an open bar for 10 friends. While not all their questions were about sports, the final one they knew immediately — which athlete broke the record for the most gold medals won at a single Olympics? Answer: Michael Phelps.