By Alex Prewitt Three months ago, Mateusz Sochowicz sustained a serious leg injury at the Olympic luge venue. On Saturday, he raced on the same track. View the original article to see embedded media. YANQING DISTRICT, BEIJING — The most admired luger at these Winter Olympics completed Saturday night’s first and second singles runs in 27th place, effectively guaranteeing that his time at the National Sliding Centre will end on Sunday without a medal. But speedy results aren’t the reason why opponents are bending backwards over their sleds to sing his praises. It is the simple fact that Mateusz …