 Ramba uchinyora ndima iyi - Muna 1981, Moffet akaisa rekodhi yenyika yechikoro chesekondari ye55.24 mumamita 100 achimhanya nechipfuva uye akapedza ari wechina muchiitiko ichocho pamakwikwi enyika, achitorawo ndarira mumamita 200 achimhanya nechipfuva. Gore rakatevera racho, akahwina menduru dzebronze mumitambo iyoyo miviri pa1982 World Aquatics Championshipsuye akatanga kupinda Stanford University. Akashambirawo mumakwikwi e4×100 metres medley relay akahwina menduru yegoridhe. Akagadzira rekodhi yePan American Games mumakwikwi ekusarudza emamita zana ekumhanya pachipfuva pa1983 edition, asi pakupedzisira akapedza wechipiri kune mumwe wake Steve Lundquist. Akakwikwidza mumutambo iwoyo pa 1984 Summer Olympics uye akaisa rekodhi yeOlympic ye 1:02.16 mumakwikwi, pasinei nekukuvadza muswe wake panguva yemakwikwi. Kukuvadzwa uku kwakamuita kuti apedzisire ari wechishanu mumakwikwi ekupedzisira uye asazotanga mumakwikwi emamita mazana maviri, ayo aakapindawo. Mugore iroro, akakunda zviitiko izvi paNational Collegiate Athletic Association NCAA Championships uye akabata rekodhi yenyika mumamita zana kubva muna Chikumi 25 kusvika muna Chikunguru 29. 