Lonzo Ball injury update: Bulls guard to undergo surgery on left knee, to be re-evaluated in 4-6 weeks | CBS Sports Headlines Lonzo Ball injury update: Bulls guard to undergo surgery on left knee, to be re-evaluated in 4-6 weeks Ball has had several setbacks in his return to the … Continue reading Lonzo Ball injury update: Bulls guard to undergo surgery on left knee, to be re-evaluated in 4-6 weeks