John, a native of Texas where he is also in the state’s golf hall of fame, had a distinguished career as a 14-year resident of Michigan.
Among the highlights from those years were three Golf Association of Michigan Championships 1968, 1972 and 1973, as well as his Michigan Amateur Championship in 1971.
Grace also won the Michigan Medal Play Championship 1972 and the Horton Smith Invitational in 1969.
He played collegiately for national power University of Houston from 1966-70 and was the runner-up in the U.S. Amateur in 1974 to Jerry Pate, falling 2 and 1 in the final match.
He played on the Walker Cup Team in 1975, was the USGA Mid-Amateur medalist in 1992, a quarterfinalist in 1993 and reached the semifinals in 1994. He qualified for over 40 USGA Championships including 19 U.S. Amateurs and 13 Mid-Amateurs. He counted 11 times as medalist in those two USGA championships.
He was invited to and played in the Masters Tournament twice.
In Texas he won the Texas State Amateur in 1998, four consecutive Texas Mid-Amateur titles from 1991 to 1994, the West Texas Amateur in 1996 and the Texas Senior Open in 1998.
He tried professional golf and played on the European Senior Tour from 1999-2004. He applied to the USGA for Amateur status reinstatement in 2005.