Gyms across the country were forced to close their doors due to the coronavirus pandemic. But with states slowly reopening, some gyms are doing the same. What changes should we expect to see as people pick up dumbbells and start running on treadmills? Mark Mastrov, founder of 24 Hour Fitness and currently Chairman & Co-founder of New Evolution Ventures and Executive Chairman of UFC Gym, discusses the changes we will see in gyms across the U.S. as they reopen. Mastrov, also part of the Sacramento Kings ownership group, tells Closing Bell what he would like to see in regards to safety as the NBA is exploring resuming their season in July.