Mike Groff Autographs
Michael Dennis Groff (born November 16, 1961, in Van Nuys, California) is a former race car driver who competed in CART and the IRL IndyCar Series and was the 1989 Indy Lights champion. His younger brother Robbie was also a CART and IRL driver from 1994 to 1998.
Groff made his professional debut in 1984 competing in the Valvoline/Robert Bosche Formula Super Vee series. He finished third in the series in 1985 and second in 1986. In 1986 he also made his American Racing Series debut (later renamed Indy Lights). Driving for a family team, he captured wins at the Milwaukee Mile and Road America and finished third in points. In 1987, he won at Nazareth Speedway and finished fifth in points. In 1988, he only competed in three Indy Lights races for three different teams, but finished second at Nazareth. In 1989, he competed full-time for Leading Edge Racing and captured four wins on his way to the championship.
Groff attempted to make his CART Champ Car debut in the 1990 Indianapolis 500 for Euromotorsport but failed to qualify. He made his debut three weeks later at the Detroit Grand Prix with the same team and completed the season with them. In twelve starts he had a best finish of seventh at Nazareth and finished seventeenth in points.
Read more about Mike Groff on Wikipedia
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Traded items with a signature of Mike Groff
The most expensive item with a signature of Mike Groff (Mike Groff Signed Indy 500 8 X 10 Photo Indianapolis Autographed) was sold in May 2025 for $27.49 while the cheapest item ( Skybox INDY 500 Card AUTOGRAPHED Hand Signed INDY great MIKE GROFF) found a new owner for $0.99 in March 2020. The month with the most items sold (3) was May 2014 with an average selling price of $3.00 for an autographed item of Mike Groff. Sold items reached their highest average selling price in December 2016 with $19.99 and the month that saw the lowest prices with $0.99 was November 2008. In average, an autographed item from Mike Groff is worth $6.00.
Most recently, these items with a signature of Mike Groff were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | Autographed Mike Groff CART IndyCar Racing Photograph | $9.99 |  |
| Autographed Mike Groff CART IndyCar Racing Photograph | $9.99 | |
| Autographed Mike Groff CART IndyCar Racing Photograph | $19.99 | |
| Skybox INDY 500 Card AUTOGRAPHED Hand Signed INDY great MIKE GROFF | $0.99 | |
 | 1992 All World Mike Groff #2 IndyCar Signed Autographed Card | $3.93 | |
| Autographed Mike Groff CART Indy Car Racing Photograph | $9.99 | |
| Autographed Mike Groff CART IndyCar Racing Photograph | $5.24 | |
 | MIKE GROFF 1992 AW SPORTS INDY RACING IP/TTM AUTOGRAPH AUTO | $8.99 | |
| MIKE GROFF AUTOGRAPHED SIGNED 1997 INDY RACING LEAGUE SERIES PHOTO POSTCARD | $8.99 | |
| Mike Groff signed 1992 LEGENDS OF INDY trading card INDY RACING CART #25 | $4.99 | |
| Mike Groff signed 1992 PPG trading card INDY RACING CART #97 - 2 | $6.24 | |
 | MIKE GROFF Signed Autographed Card 1991 All World Indy #22 - INDY RACING | $5.40 | |
| MIKE GROFF Signed Autographed Card 1992 All World Indy #2 - INDY RACING | $6.00 | |
 | MIKE GROFF Signed Autographed Card 1992 All World Indy #97 - INDY RACING | $6.00 | |
| MIKE GROFF Signed Autographed Card 1992 All World Indy #97 - INDY RACING | $6.00 | |
