Thank you James. That was very helpfulI can say that I definitely know people who have received direct TC offers from MC firms with no prior legal experience (this is less the case for US firms as far as I can tell). That said, you will have to be very clear with your motivations - are you studying law or a somewhat related subject such as history/politics/philosophy? If not, then you would need to work hard to make a compelling case but I think it is still worth putting in the application!
I will give it a try then.