Translation:I didn't play sports in college.
'... in the university' marked as wrong. So, if you wanted to say '... in the university' what would you say? I'll report my answer as being acceptable
"¿Cuál es la diferencia?"
In colloquial American English these terms are pretty interchangeable, but generally universities have a broader theme, usually offering many different fields of education. Colleges are either subject-specific sub-parts of a university, or university-like institutions with a narrower spectrum.