PodcastsSportsKNBR Podcast12-8 Rob Ninkovich joins Markus "The Waterboy" Boucher to discuss whether or not the 49ers are the best defense in the league
Two time super bowl champion and 11 year NFL veteran, Rob Ninkovich, joins Markus "The Waterboy" Boucher to discuss whether or not the 49ers are the best defense in the league.