Marcus Smart injury update: Celtics guard says his 'pain level is going down’ Unknown 00:57 Smart participated in some one-on-one drills that involved contact at Celtics’ practice Thursday, according to NBC Sports Boston. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsWild Amplified: Big games for new facesCatcher Jason Castro, Astros Finalize $7M, 2-year ContractNo. 4 Gophers score six times in third period, wallop ASU 10-2Aaron Appreciation: Remembering The Greatness Of The HammerBasketball has given Kyrie Irving a Platform | The People’s Sports PodcastFormer Big Leaguer Davey Johnson Hospitalized With COVID