Dradychs right knee surgery was suspended for 8 weeks. Ravens sprained ligament was suspended for 2-4 weeks. 2018-12-20 02:35:54 category:Sports First, Dradic, who underwent arthroscopic surgery on his right knee today, is expected to have an eight-week truce.The Heat official also announced the news. Dradics goal is to return during the All-Star Weekend in February next year. The specific start time of the All-Star Weekend is February 18.Dradic has not played in 12 of the Heats last 14 games because of his constant problem with his right knee, during which time he underwent hydrocele treatment on his right knee.Another is Raven, who will be out of action for two to four weeks because of a sprained ligament in his left ankle. The news was told by Bulls coach Boyland to reporters.Weve collected all the information we need, so we think its safe at the moment, Boyland said.Raven had an MR scan in San Antonio, when the bull was going to spur, and then came back to Chicago for further tests.