For wrestling I would suggest a lot of grip training, and pulling movements. Pushing is generally of less importance than pulling, but I would not cut out anything outright.
It would also depend a lot on your style. If your work a lot of throws, you're going to have to focus on a lot of explosive lifts that will strengthen you hip base, as well as your upper body. Over/under hook throws are almost all hip and back, for example.
As a bit of personal experience, I was the type of wrestler who could never work legs too much during the season--they got too bulky and I wasn't able to work any good leg series'. If you throw a lot of leg moves and your legs grow quickly, just be careful, lest you wind up sitting in a crab ride for half you match. Hope this helps.