The Chicago Bulls are dealing with a COVID-19 outbreak on their roster. After Nikola Vucevic missed time earlier this season, the Bulls now have four players in the NBA's health and safety protocols. Matt Thomas is the latest player to enter the protocols, joining DeMar DeRozan, Coby White and Javonte Green. In addition to that, Alex Caruso is out for a week with a hamstring injury and Patrick Williams is possibly done for the season because of a wrist injury.

Given all these health problems, Chicago has been granted a hardship exception, giving them the ability to sign a 16th player to the roster. The Bulls have taken advantage of that by bringing Stanley Johnson back into the fold, according to Shams Charania of The Athletic and Stadium.

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Johnson was with Chicago during the preseason, but Thomas beat him out for the final roster spot. With so many guys out, though, it was only natural to call up a familiar face to bring him back. Johnson has been playing in the G League with the South Bay Lakers. The former lottery pick is a strong forward who brings defense and energy to the table, though his offensive game has never come along in the NBA.

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K.C. Johnson of NBC Sports Chicago reports Johnson might not be available for the Bulls until Saturday's road game against the Miami Heat. Chicago has a tough roadie on the docket Wednesday against a feisty Cleveland Cavaliers team.

The Bulls are currently winners of four straight games and hold a record of 17-8, which is good for second in the Eastern Conference behind the Brooklyn Nets.