Warrington forward Paul Johnson has praised competition for places after Wolves made it seven wins in eight.
The club now lie within two points of the top five places in the table after 18 games of the Super League season.
The ex-Great Britain man told BBC Radio Manchester: "The competition is healthy in the squad for places in the team.
"If you miss one week, someone jumps in your place and you've got to work for it back. It's making for a good healthy team environment."
He added: "I'm just trying to get back in the team after banging my shoulder a couple of weeks ago and missing a couple of games."
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