The new NBCSN Fight Night presale code is now on our site: For a little while you can acquire tickets before they go on sale. 
This might be the last chance ever to see NBCSN Fight Night live in Philadelphia!
Here are the NBCSN Fight Night show details:
NBCSN Fight Night
Liacouras Center
Philadelphia, PA
Fri, Apr 4, 2014
Presale
Start: Wed, 02/26/14 10:00 AM CST
You can use the following presale codes and information to purchase tickets:
When a presale password says it is not in the system – check to make sure that the pre-sale is still valid: you might be looking at an old presale, secondly notice that there might be more than one presale happening – if there are several boxes where presale passwords can be plugged in you might have to try a few combinations to find one that works.