Bohn's best career stretch was from 1997 through 2001–02, during which he won 18 titles overall and at least one title each season. His best single season came in 1999, when he won five titles and earned PBA Player of the Year honors. The '99 season featured a streak in which Parker won eight consecutive televised matches. His 1999 single-season average of 228.03 ranks fourth all-time. He would also be named Player of the Year in the 2001–02 season, a year highlighted by a major championship title at the 2001 ABC Masters.