College Basketball Conference Previews: Big 12 Posted Oct 17, 2013 Nobody's decision to return to school for another season was more surprising than the decision Marcus Smart made to return to Oklahoma State. He was a consensus top-five pick, one who could've reasonably gone as high as second overall in the 2013 NBA Draft. But the 6-foot-4 guard chose college over cash (at least temporarily), and now the Big 12 should have the most intriguing battle at the top of any league. (CBS Sports)