[1] He was only the second bowler in history to successfully defend a United States Bowling Congress Masters title, winning the event in 1964 and 1965 to join Dick Hoover (1956–57).

[citation needed] Known for his folksy Midwestern speech pattern and easygoing personality, Welu spent several years as an analyst alongside broadcaster Chris Schenkel on ABC's Saturday afternoon telecasts of the Professional Bowlers Tour.

[citation needed] Welu's suicide by an intentional Pentobarbital overdose (widely reported as a heart attack) at age 41 in 1974 took a major toll on his close friend Schenkel, prompted ABC to find a new color commentator to join Schenkel in the booth.

[citation needed] Dick Weber and Dave Davis alternated telecasts for a brief period until Nelson Burton Jr. was selected as a permanent replacement for Welu.

Nelson and Chris spent nearly 23 years together calling the action for ABC Sports.