McGuffin initially honed his skills on the tennis courts for 2 years at Scottsdale Community College. His dedication and talent propelled him into the professional realm, where he reached the top 1500 in the ATP men's tour. McGuffin not only pursued a tennis career but also excelled as the Head Tennis Pro at the Yakima Tennis Club. His tenure there spanned six years, marked by his impactful coaching. Interestingly, it was during this period that McGuffin discovered pickleball, a sport that later defined his career trajectory. This transition from tennis to pickleball, while seemingly a detour, played a crucial role in shaping his professional life and, by extension, his net worth.