Rams place RB Kyren Williams (ankle) on injured reserve

The Los Angeles Rams placed Kyren Williams on injured reserve Saturday, three days after they sent fellow running back Ronnie Rivers to IR.

Williams (ankle) and Rivers (knee) will sit out the next four games for Rams (3-3), who host the Pittsburgh Steelers (3-2) on Sunday. They are eligible to return for Los Angeles' road game against the Arizona Cardinals on Nov. 26.

Williams, 23, leads the Rams in carries (97), rushing yards (456) and rushing touchdowns (six). He also has 13 catches for 105 yards and a score.

Williams took over the lead role after Cam Akers, who had 22 carries for 29 yards in Week 1, was demoted and eventually traded.

The Rams addressed their current backfield woes earlier in the week by elevating running back Royce Freeman to the active roster and signing Darrell Henderson and Myles Gaskin to the practice squad. Rookie Zach Evans also is on the roster.