<p><br /> San Francisco 49ers' cornerback Shawntae Spencer met the London mayor Boris Johnson ahead of Sunday's clash with the Denver Broncos at Wembley Stadium.<br /> </p><p><br /> Spencer, joined by 49ers' cheerleaders and club president Jed York, met Johnson at City Hall next to London's Tower Bridge.<br /> </p><p><br /> Sunday's game will be the NFL's fourth regular-season game at Wembley Stadium.<br /> </p><p><br /> Both teams have had a bad start to the season, the 49ers have lost six of their seven games so far, with the Broncos managing only one more win.<br /> </p><p><br /> Denver players are only arriving to London on Friday (October 29).<br /> </p>
