There is an organized practice before classes start, which would violate NCAA rules.
Janet appears to be a college senior, so she couldn't be a professor's TA.
In 1977, four-year scholarships could not be offered under NCAA rules. An athlete received one-year renewable scholarships.
Scoreboard at end of last game indicates 2nd quarter, not fourth.
Henry's hair length fluctuates between shots.
When the players are standing in a lineup, Henry is commenting on Tom being 6'6". Henry appears to be about 8 inches shorter than Tom. In other scenes Henry only appears to be about 4 inches shorter than Tom.
The Western University team uniforms feature satin shorts; by 1977 both NCAA college and NBA professional uniforms were all polyester - satin hadn't been used since the mid-1960s.
In the scene in the living room involving half a dozen characters, a boom mic is clearly visible.