Bloomsburg Athletics

Diehl was a standout on the tennis courts for the Huskies. During his career, he posted a then-school record 99 wins against 30 losses (now tied for seventh on the all-time list). He won four PSAC singles titles and three double crowns along with four team titles in his four years. He also won the 1979 ECAC Number Two Singles title as a freshman. During his senior year he was also ranked in the top 25 of the Middle States Tennis Association (MSTA), along with being awarded the number one men's player for Central Pennsylvania. He was an NCAA qualifier, an NCAA scholar-athlete and helped the team to national rankings of 8th, 13th, and 14th during his career.

After graduation Diehl remained a standout player earning a top-10 ranking for 11 straight years in the Middle States Men's Open and was also part of the Middle States top-ranked doubles team in 1987. Four times he has been ranked the number one Men's 35 player in the Middle States region. Overall, he has won more than 300 career tournaments in singles and doubles play and at one time was a practice partner for top women's pro Pam Shriver. He is an attorney and CPA and the owner of his own law firm.