I actually didn't even watch the Pacquiao-Mosley fight on the day itself-- first time I missed a Pacquiao fight in at least five years.
Anyway, here are a bunch of interesting graphs showing the spike in Wikipedia page views for the articles related to the fight. All of these graphs are from the Wikipedia article traffic statistics tool by Henrik.
Manny Pacquiao - Pacquiao got 260k hits. His Wikipedia article, I mean. The man himself took significantly less hits that day.
Boxing - Even the article for the sport of boxing itself received 3x the usual number of page views.
Sarangani - The province where Pacquiao serves as congressman got around 10x the normal number of page views.
General Santos City - Pacquiao's home town. He's no longer introduced as being from General Santos, but the page still got around 6x the usual number of views.
Mama Said Knock You Out - Shane Mosley's entrance song got over 3x the usual number of page views that day.
Eye of the Tiger - Manny Pacquiao's entrance song got 10x the usual number of page views.
Jimi Jamison - The lead singer of Survivor from 1984-1989 and 2000-2006 performed "Eye of the Tiger" and walked with Pacquiao as he entered the arena. He went from virtually unknown to getting 10k views that day, a 100x increase.
Lupang Hinirang - Even the Philippine national anthem got 5x the usual number of views that day.
Jimmy Lennon Jr. - Showtime's ring announcer for the fight got a massive increase in page views.
Michael Buffer - HBO's usual ring announcer was not a participant in this fight at all, but still got 7x his usual number of page views, probably from people wondering what happened to him.
Antonio Margarito - Pacquiao's last opponent got 10x the usual number of views on fight day.
Antonio Margarito - Pacquiao's last opponent got 10x the usual number of views on fight day.
Juan Manuel Marquez - Pacquiao's old nemesis and likely next opponent.