Kenny Jackett says there is plenty of room for improvement as his Millwall side prepare for their opening League One fixture against Oldham.Jackett's side rounded off their pre-season fixtures on Saturday with a disappointing 1-0 defeat to Exeter, and the Millwall boss expects his players to raise their game when the competitive action begins.

He told the South London Press: "We didn't perform at all and gave the ball away too many times.

"I hope the players were not holding back because they didn't want to be injured for the start of the season, as people are playing for their places."

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