Waldemar "Val" Sender was a dominant force in the middle for the men's basketball team at then Southeastern Massachusetts University (now UMass Dartmouth) in the early years of the Little East Conference (LEC). He remains the program's all-time leading scorer with 2,201 career points scored over his record 111 career games played. He is also the team's career made free throws lead with 581.
Sender led the Corsairs to an 81-32 overall record and three LEC tournament titles (1988, 1990, 1991) during his four seasons on the court. SMU went on to advance to the Sweet 16 of the NCAA Division III Championship Tournament following each of those conference tournament wins.
Sender was named the 1987-88 LEC Rookie of the Year after averaging 14.6 points and 5.3 rebounds during his freshman campaign before going on to earn First Team All-Conference honors the following three seasons. He was additionally named an All-New England and All-Northeast Region selection his sophomore through senior seasons, earning first team honors in 1989 and 1991 and second team honors in 1990.
Sender was named a Third Team All-American by the National Association of Basketball Coaches (NABC) after averaging 20.9 points and 8.8 rebounds per game, while totaling 48 assists, 37 steals and 29 blocked shots during his senior year. He was the first player in program history to be named an All-American, and was the second player in LEC history to earn that distinction from the NABC
Sender was a member of the final SMU graduating class before the University's name change in 1991, earning a bachelor's degree in marketing. He was inducted into the UMass Dartmouth Corsair Hall of Fame in 1996.