Head coach Jim Harbaugh told reporters that Leonard's (hamstring) 21-day practice window opened Wednesday, Eric Smith of the Chargers' official site reports.
Leonard (hamstring) was placed on injured reserve Monday, Kris Rhim of ESPN.com reports.
Leonard (hamstring) has been ruled out ahead of Monday's game against the Cardinals.
Leonard (hamstring) has been ruled out for the remainder of Sunday's game against the Broncos.
Leonard (hamstring) has exited Sunday's game against the Broncos.
Leonard (hamstring) is active Sunday against the Broncos.
Leonard (hamstring) is questionable for Sunday's matchup against the Broncos.
Leonard (hamstring) was listed as a DNP for Wednesday's practice report.
Leonard (hamstring) is inactive for Sunday's game against the Chiefs.
Leonard (heel) is active Sunday against the Broncos.