Here's what you want
http://www.cbafaq.com/salarycap.htmNow let me forewarn you there is a LOT there and the game does not use everything (otherwise it would be a full time job managing your cap)
With Lavine in particular he should be eligible for an extension but I ran a test and see that he is not coming up for one so its probably something wrong in the creation code when it looks them over at first. I will check it out and fix it for new leagues going forward in the next build
*EDIT it was a code issue in the creation. Fixed for new leagues starting with the next build