“If you ain’t first, you’re last,” Klay Thompson quipped as he zoomed by on his “GoKart Pro 2,” which retails ... zooming around AAC in a go-kart as a way of staying off his feet.

“If you ain’t first, you’re last!” Klay Thompson could be heard saying in the video as he sped by in the GoKart Pro 2. The go-karts can reach speeds of nearly 30 mph and retail for nearly ...