Catlin's biggest success to date, came in the 2018 Asian Tour season where he won three times.

Catlin won the 2019 Thailand Open in a three-man playoff to claim his fourth victory on the Asian Tour.

Andalucía Masters, completing a wire-to-wire victory when Martin Kaymer made a bogey on the final hole to fall into second place.

[6] Three weeks after his first European Tour win, Catlin won again at the Dubai Duty Free Irish Open, shooting a final-round 64 to beat Aaron Rai by two strokes.

[7] In April 2021, Catlin claimed his third victory on the European Tour at the Austrian Golf Open.