Weisensee was a two-year letterwinner for the Lions and ranks fourth in career batting average with a .374 mark. He batted .431 in 1980 and ranks second in single-season doubles with 24. He led the 1980 squad in home runs (5), slugging (.655), on base percentage (.476), hits (90), doubles (24), stolen bases (27), and assists (149) including eight in one game against Winona State on April 2, 1980.

He was a first team All-Central States Intercollegiate Conference (CSIC) selection and an NAIA All-District 16 pick, as well as the Lions' MVP that season. Prior to his time at Missouri Southern, Weisensee attended Allen County Community College in Kansas for two years, earning an Associates in General Business.

Weisensee graduated from Southern with a degree in marketing and management and managed Jarmin Shoes at Northpark Mall for eight years upon graduation. Rich is the national sales accounts manager for Cadbury-Schweppes in Parsippany, New Jersey and has been employed with the company for 23 years, while still residing in Joplin. Rich and his wife, Terri will celebrate their 31st wedding anniversary later this year and have two daughters, Rachel Weisensee and Megan Rice.