Riordan wins NorCal Open Division for first time, overpowers De La Salle in second half

SAN FRANCISCO – Archbishop Riordan had five players on the floor against De La Salle in Tuesday’s NorCal Open Division boys basketball championship.

But in a stuffy, packed-to-capacity Crusader Forum in the heart of San Francisco, the hosts looked as if they had 10 defenders for most of their 52-40 victory over the Concord program.

After trailing 22-15 with 5:40 left in the second quarter, the Crusaders embarked on a 20-4 run over the next 11 minutes to blow the game open.

“We...