sentences:  At his first NCAA Outdoor Championships, Dix became FSU's first winner at the championships since 1980, and the first to do so as a freshman.He won the 100 m in 10.21 seconds, beating the defending NCAA champions DaBryan Blanton and Tyson Gay to the title.After recording a personal best of 20.18 seconds in the semifinals, he managed a fourth-place finish in the 200 m race.