Ku dhammaystiro weedha soo socota: Groff wuxuu galay 1992 isagoo aan lahayn safar waqti buuxa ah. Waxa uu u qalmay in uu baabuur labaad u Walker Racing ee
1992 Indianapolis 500 laakiin markii uu darawalka caadiga ah Scott Goodyear ku guuldareystay inuu u qalmo, wuxuu beddelay Groff. Groff wuxuu sameeyay lix xilli ciyaareed ee Euromotorsport (2 tartan), Walker (1 tartan), iyo Foyt (3 tartan) wuxuuna dhammeeyey kaalinta 23aad ee dhibcaha.