St. Brown (knee) participated in Chicago's mandatory minicamp last week, Larry Mayer of the team's official site reports.
St. Brown injured his knee during the team's season finale against the Vikings, but he appears to be healthy once again. The 26-year-old should have an ample opportunity to compete for playing time heading into the start of the season while both Darnell Mooney (ankle) and Chase Claypool (undisclosed) remain sidelined due to injuries.