The popularity of soccer continues to grow in the U.S., and this most recent World Cup is heightening even more interest about the sport. Luke Dempsey, the author of Club Soccer 101: The Essential Guide to the Stars, Stats and Stories of the 101 of the Greatest Teams in the World , chats with WBGO's Doug Doyle. Dempsey was also a guest on SportsJam with Doug Doyle . Click above to hear the WBGO Journal interview with Dempsey.