Lopez keeps No. 20 Stanford unbeaten

Coach Trent Johnson is pleased with the play of 7-foot center Robin Lopez and thinks the sophomore can be even better. “Let’s don’t get on the Robin Lopez fan club,” Johnson said Thursday night after Lopez had 16 points, seven rebounds and five blocks in No. 20 Stanford’s 71-60 win over Northwestern. “His footwork looked good today, but I’ve seen him for a year and half and he’s got a long way to…