It could happen, it might not. Because of the automatic bid rules, the Golden Eagles could easily miss out on an at-large bid.
Your Marquette Golden Eagles are sitting with a record of 20-13 on the season after losing to Xavier in the Big East tournament quarterfinals. If you've been paying attention to NCAA tournament bracketology, you are already aware that you won't hear Marquette's name called when CBS announces the 68 team field later today. It's just not happening.
That turns our attention to the NIT, as it's the next postseason tournament down the food chain.