TUCSON, Ariz. — Gerhard De Beer has been in Tucson all of three weeks and what he’s learned on the football field is, well, priceless.Who knows? Maybe one day it’ll all be worth millions.But first, De Beer, a 6-foot-7, 250-pound native of Pretoria, South Africa, must take baby steps (can a man that large take baby steps?) in learning all the intricacies of America’s version of football.Like, you don’t get into a four-point stance when you’re playing tight end. And you don’t line up far from the rest of the line. (Arizona coach Rich Rodriguez got a kick out of it demonstrating De Beer’s error at media day.)What Rodriguez is really getting pleasure from is De Beer’s potential. Arizona has him listed as a defensive lineman, but he could fit in just about anywhere.Of course, having grown up in South Africa, De Beer has no idea who Jenner is, even though he’s in Tucson on a track and field scholarship.De Beer was a junior national champion in the discus and will miss the Wildcats’ first game next week because he’ll be at a meet.“I’ve never played football until two weeks ago,” De Beer said.But, he has played rugby. And well….