Crossword Genius

Team in university start a fight (3,2)

Ross

I believe the answer is:

mix it

'start a fight' is the definition.
(slang term)

'team in university' is the wordplay.
'team' becomes 'XI' (a football team, from Roman numerals for 11).
'in' indicates putting letters inside.
'university' becomes 'MIT' (Massachusetts Institute of Technology).
'xi' going into 'mit' is 'MIX IT'.

(Another definition for mix it that I've seen is " Cause trouble".)

I've seen this clue in The Guardian.
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