By Richard Johnson With the eyes of college football on a pair of unexpected unbeatens, the wide receiver put up a huge effort. LAWRENCE, Kansas — On the day when the college football world unexpectedly focused its attention on a place nobody could have predicted before the season, TCU and Kansas delivered a fantastic game and Horned Frogs receiver Quentin Johnston delivered a performance worthy of primetime despite the brunch-hour start. To say there was a concerted effort to get Johnson the ball Saturday would be an understatement. He finished with 14 catches for 206 yards on 16 targets as T…