eighth major title, becoming the only bowler to ever win four USBC Masters titles. As one of the top eight money leaders from the start of the 2015 season through the 2017 USBC Masters, Belmonte was invited to participate in the inaugural Main Event PBA Tour Finals in May 2017. Starting as the #1 seed, Jason finished runner-up to E. J. Tackett. Belmonte won his 15th PBA Tour title on 27 August 2017 at the PBA International-WBT Storm Lucky Larsen Masters, held in Malmö, Sweden. On 19 November, Belmonte won the PBA World Championship in Reno, NV for his 16th title and ninth career major. With the win, Belmonte became the first PBA player to ever win three major titles in a season. Belmonte swept the three major PBA statistical categories for the 2017 season, including a PBA-record 229.39 average for 380 games. He also finished first in earnings ($238,912) and tied for first in wins (4). On 17 January, in a landslide vote, Belmonte won with his fourth PBA Player of the Year Award. Also in 2017, Belmonte won the Dick Weber Bowling Ambassador Award, an honor given annually by the Bowling Proprietors Association of America (BPAA) to the "bowling athlete who has consistently shown grace on and off the lanes by promoting the sport of bowling in a positive manner." 2018 Belmonte collected his 17th PBA title on 25 February 2018, winning the Mark Roth/Marshall Holman PBA Doubles Championship with partner Bill O'Neill. He qualified as the #1 seed in the 2018 PBA Tour Finals, held 4–6 May in Allen Park, Michigan, and earned a rematch against last season's Finals champion, E. J. Tackett. Belmonte avenged his 2017 loss to Tackett for his 18th PBA Tour title. 2019: Making History, Player of the Decade On 10 February 2019, Belmonte won his 19th PBA title and tenth major at the PBA Tournament of Champions held in Fairlawn, Ohio. As the #1 seed, he defeated E. J. Tackett 225–196 in the final match to claim the title. Belmonte's victory made him the third player to win three Tournament of Champions after Mike Durbin and Jason Couch, and tied him with Earl Anthony and Pete Weber as the all-time major titles leader (10 majors). Belmonte was also the top qualifier in the 2019 season's next two events – the PBA Players Championship and PBA Indianapolis Open – but he failed to