I guess the only nights for you would be Monday and Tuesday then. Will have to defer to Naich about what are the best places in NB to hit those nights. Here's the website for NB:
http://www.newbrunswick.com/
Harvest Moon is a great brewpub:
http://www.harvestmoonbrewery.com
And Old Bay is a classic with an equally huge beer menu, good Cajun/Creole food, and almost nightly entertainment:
http://www.oldbay.com/
Then, of course, there's Stuff Yer Face and the bars right by campus.
The Stress Factory looks like it's closed Mondays and Tuesdays:
http://www.stressfactory.com. And it turns out the minor league seasons don't start until the end of April. I just checked the team pages out.