According to Wrestling Observer Radio, WWE wrestlers who do not live near Orlando, Florida are unhappy about being required to go to the Performance Center for additional training. Part of the problem came from wrestlers not wanting to give up their days off for no additional pay for drills they do not see as necessary. Several of the wrestlers who live nearby would have gone to the Performance Center to train anyway without it being made mandatory but were not given the chance.
Training can help a lot. Check out some WWE wrestlers getting ready for some bigger matches: