text: BC High shuts down the Prep Defense has been the theme for No. 13 BC High and 14th-ranked St. John's Prep for most of this soccer season. Yesterday, BC High was just a little bit better in a 1-0 win that assured the host Eagles at least a share of the Catholic Conference title.  quot;That's a top defensive battle, quot; said BC coach Billy Ryan.  quot;The players ...