A "lot of clubs" is a phrase that means there are many different clubs or organizations available to join, either in a particular place or within a certain group of people. Full definition
There are lots of clubs with limited budgets, wages etc and many are progressing better than us. (justarsenal.com)
At my school, it's pretty common for people to join lots of clubs, because they also have lots of interesting seminars and presentations. (veterinaryschools.com)
This transfer window as been the most difficult for most clubs to buy players, as there are lots of clubs with money to spend but not enough quality players available. (justarsenal.com)