Replacement officials were on the field Thursday during the Washington Redskins’ training-camp practice at Redskins Park.

 The officials are scheduled to remain at the team’s training camp through Saturday’s practice, Redskins Coach Mike Shanahan said.

The league has been training replacement officials to work games after locking out members of the NFL Referees Association because the two sides have been unable to agree to a new labor deal.

Officials annually visit teams’ training camps to prepare for the preseason and regular season and to brief players on rule changes. According to Shanahan, Thursday’s rules briefing with the Redskins was conducted by a league officiating supervisor.

Shanahan said he wasn’t fretting about the possibility of replacement officials being on the field for the Redskins’ scheduled preseason opener next Thursday night at Buffalo.

   “I know that will be resolved and you hope it’s done sooner than later, and you’re always hoping that it’s for the better,” Shanahan said. “It’s a very, very competitive league and everybody’s got a job to do. But… I’m not going to worry about things I can’t control.”

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