Rubuta ci gaba ga wannan sakin layi - Groff ya shiga 1992 ba tare da cikakken lokaci ba. Ya cancanci mota na biyu don Walker Racing a cikin 1992 Indianapolis 500
amma lokacin da direba na yau da kullun Scott Goodyear ya kasa cancanta, ya maye gurbin Groff. Groff ya fara farawa shida a wannan kakar don Euromotorsport (tsere biyu), Walker (tsere ɗaya), da Foyt (tsere uku) kuma ya gama na 23 a maki.