holder Jason Belmonte. His 38th title on February 15, 2015 put him in sole possession of third-place on the PBA's all-time titles list. Duke's career PBA Tour earnings eclipsed $3 million in the 2011-12 season, making him just the third PBA bowler at the time (along with Walter Ray Williams Jr. and Pete Weber) to surpass the $3 million mark in career prize money. Parker Bohn III has since also joined the $3 million club. Duke's career earnings have now topped $3.8 million (as of 2022). Duke made multiple TV Finals appearances every season from 1990 through 2015. (He made only one TV finals appearance in 2016.) He has won at least two titles in a season nine times, including a career-best five titles in 1994. The diminutive Duke (he stands 1.65 meters, or 5-foot-5) is known for his exceptional versatility. He is generally thought of as a stroker, either throwing the ball relatively straight or playing a hook shot from the extreme outside of the lane. But he has also shown the ability (especially earlier in his career) to swing the ball out toward the gutter and bring it back like a cranker when necessary. This gives him the advantage of being able to score well on most of the PBA's multiple oil patterns. 2007–08 season The 2007-08 season started slowly for Duke, as he battled illness on top of a series of injuries through the first half. Standing 51st in points and with his Tour exemption in jeopardy, he put together a furious finish by winning two majors in the final five weeks of the season. On February 24, 2008, he won his second career PBA World Championship to lock up a 2008-09 exemption. Then on March 30, he won the U.S. Open and joined Mike Aulby and Billy Hardwick as the only bowlers to ever complete the coveted PBA "Grand Slam," in which a PBA bowler wins the U.S. Open, World Championship, Tournament of Champions, and USBC Masters at least once in a career. He is also one of only eight bowlers in history to complete the PBA career Triple Crown, in which a player wins the PBA's "original" three majors (U.S. Open, Tournament of Champions, and World Championship). 2008–09 season Duke began the 2008-09 season by, again, winning the PBA World Championship. Continuing on his success from the previous season's sweep of the final two majors,