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When Andre Ellington went down with a sprained knee in the season opener, it opened the door to more playing time for Chris Johnson and David Johnson in the Arizona backfield.

Both Johnsons put the opportunity to good use and the Cardinals went 2-1 in the games without Ellington, which might lead some coaches to struggle with how to reintegrate Ellington into the lineup now that he’s healthy enough to return to action. Offensive coordinator Harold Goodwin says the backs “better practice and you better practice hard” to get playing time, but coach Bruce Arians is taking a slightly different approach.

“No, it’s not hard, because the young guy [David Johnson] sits down,” Arians said, via the Arizona Republic.

The rookie has shown too much ability to help the offense to sit down entirely, but Ellington’s return and a couple of miscues last week are going to slow things down a bit for him. It shouldn’t slow things down for the Cardinals offense, which has run for at least 110 yards in every game this season and has plenty of options available as they try to keep that streak going.