In 1995 Groff's only on-track activity was practice laps for the 1995 Indianapolis 500 with Chip Ganassi Racing, but he did not make an attempt to qualify.
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For the 1996-1997 Indy Racing League season Groff joined Byrd/Cunningham/McCormack Motorsports and captured 3 straight top-five finishes to start the season including a third at the Las Vegas Motor Speedway and a second at Walt Disney World Speedway (the first with the series new naturally aspirated cars).
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