Workers put up signage outside the new headquarters for America's Cup sailing, at Pier 23 in San Francisco on Thursday, Aug. 2, 2012. America's Cup sponsors said Thursday that far fewer challengers than expected to Larry Ellison's champion sailing team have ponied up the $200,000 entry fee to compete for yachting's most coveted trophy next year. Organizers had hoped for as many as 10 challengers, but announced that only four are officially entered. (AP Photo/Eric Risberg)