Complex sentence: However, then-existing NCAA rules prohibited graduate students from participating in post-season play; the Wildcats declined the bid because their participation would have forced them to play without Hagan, Ramsey and Tsioropoulos, thus jeopardizing their perfect season.
Split into simpler sentences: However, then-existing NCAA rules prohibited graduate students from participating in post-season play. The Wildcats declined the bid because their participation would have forced them to play without Hagan, Ramsey and Tsioropoulos, thus jeopardizing their perfect season.