TJ Dillashaw to undergo third shoulder surgery after UFC 280 injury, plans to return in 2023 | CBS Sports Headlines TJ Dillashaw to undergo third shoulder surgery after UFC 280 injury, plans to return in 2023 Dillashaw was unable to use his left arm against Aljamain Sterling after his shoulder … Continue reading TJ Dillashaw to undergo third shoulder surgery after UFC 280 injury, plans to return in 2023