The St. Louis Rams dismissed Tim Walton as defensive coordinator after one season on the job, the team announced Wednesday.

ESPN reported that the Rams plan to hire former New Orleans Saints defensive coordinator Gregg Williams to replace Walton.

Walton was named to the position last year after joining the Rams from the Detroit Lions, where he worked for four years as the secondary coach.

"I would like to thank Tim for his hard work and contributions to our defense," Rams coach Jeff Fisher said. "I wish him well in the future."

There were indications near the end of the season that Fisher had taken increasing control of the defense from Walton. But Fisher denied those reports.

The Rams finished 13th in the NFL in points allowed and 15th in yards allowed during the regular season. But opponents' 68.1 completion percentage was tied for the worst in the league.

Williams was in place to take over the Rams defense before the 2012 season but was suspended for a year by the NFL for his part on the Saints' bounty scandal. He worked on the Tennessee Titans' staff last year before coach Mike Munchak was dismissed earlier this month.

Walton had replaced Williams' son, Blake, who held the coordinator job in 2012 before he was fired.