Johnson , the 200 metres world record holder , and Britain 's 1992 Olympic 100 champion Christie confirmed on Thursday that they would join 100 record holder Bailey and Namibia 's Frankie Fredericks in one of the greatest 4x100 squads ever assembled .
<response> <person>Johnson</person> , the 200 metres world record holder , and <location>Britain</location> 's 1992 <misc>Olympic</misc> 100 champion <person>Christie</person> confirmed on Thursday that they would join 100 record holder <person>Bailey</person> and <location>Namibia</location> 's <person>Frankie Fredericks</person> in one of the greatest 4x100 squads ever assembled . </response>