Troup says he needed two hands when learning to throw the ball as a young child, calling himself self-taught in that regard.

[4] At the 2018 World Bowling Tour Men's Championships in Hong Kong (held November 24–December 5), he won a gold medal in trios with teammates Andrew Anderson and E. J.

[14] Said to be one of the PBA's premier two-handed bowlers,[15] Troup sometimes uses an older-technology urethane bowling ball on shorter oil patterns.

[20] On January 28, 2018, Troup made it to the final match of the DHC PBA Japan Invitational, but finished runner-up to top seed Dominic Barrett.

As the #1 seed for the stepladder finals, he defeated Chris Barnes in his sole championship match appearance, 290–269.

As the #1 seeds for the final round, Troup and partner Jesper Svensson defeated E. J. Tackett and Marshall Kent, 234–205.

After topping Kris Prather in the semifinals, Troup defeated Anthony Simonsen in the championship round.

[26] Troup also rolled a 299 game in the televised seeding round of this competition, leaving a 2-pin standing on his twelfth and final shot after eleven strikes.

In a landslide vote, Troup won the Chris Schenkel PBA Player of the Year award for the 2021 season.

"[31] Despite not winning a title through the first thirteen events of the 2022 season, Troup accumulated enough points to earn the #9 seed for the PBA Playoffs.

[34] On June 25, 2023, Troup won his second career PBA Tour Finals, held this season in Arlington, Washington.

He then went on to face Group 2 winner Kris Prather in the race-to-two points championship match.

The tournament has grown every year and has raised nearly $40,000 to give Christmas presents to needy children in Troup's native North Carolina.

Kyle is the son of eight-time PBA Tour winner Guppy Troup, the two constituting the fourth father-son pair to each win PBA Tour titles (following Dick and Pete Weber, Don and Jimmy Johnson, and Don and Eugene McCune).

[40] Troup has become one of the more recognized players on tour due to his throwback Afro hairdo, Partridge Family bus-styled attire, and other unique choices of trousers,[16] similar to his father, who was known for his flamboyant public persona.

[41] Kyle's nicknames on Tour are "Afro Fish", "The Pro with the Fro", and the "Bob Ross of Bowling".

[42] After being knocked out of the 2019 PBA Tour Playoffs in the second round, Troup provided analysis for the final four and championship finals live broadcasts (aired June 1 and 2 on Fox), along with Jason Belmonte and the regular PBA broadcast team of Rob Stone and Randy Pedersen.

[43] On his Facebook and Instagram feeds and during the PBA Tour Finals broadcast in June 2023, Kyle announced he is moving to the Louisville, Kentucky area with his fiancee.