Lucky or unlucky? Neifi Perez San Diego Padres Chicago Cubs Is 13 lucky, or unlucky? Opinions vary. (Above: Chicago Cubs Neifi Perez (13) on base in the fifth inning against the San Diego Padres on Sunday, May 14, 2006.)Chicago Tribune file photo by José M. Osorio This photo is featured in these articles: latimes.com What's your lucky number?