San Diego high school football’s vast talent pool has formed over the years select clubs at the next levels. The four Heisman Trophy winners have been the most recognized, Marcus Allen, Lincoln and USC; the late Rashaan Salaam, La Jolla Country Day and Colorado; Ricky Williams, Patrick Henry and Texas; and Reggie Bush, Helix and USC. Bush had to return his trophy for NCAA violations, but three or four trophies, one word still applies. Exclusive. Another club is…