Alex Pereira keeps title with TKO of Jiri Prochazka at UFC 303

LAS VEGAS — Alex Pereira delivered a vicious left kick to Jiri Prochazka’s head and then pounded the top-ranked challenger 13 seconds into the second round to retain his light heavyweight championship Saturday night in UFC 303. Pereira (11-2) now has beaten Prochazka (30-5-1) twice since November to end any doubts about who reigns in