The experienced midfielder made his return from injury against Cardiff City earlier this week
Tom Huddlestone believes Hull City can still improve in the final third despite a run of three wins on the spin.
The Tigers have made an ascent up the Championship league table with wins over Barnsley, Birmingham and Cardiff City with clean sheets across all three games.
While City's defensive displays have been impressive in recent weeks, Huddlestone believes his side need to have "confidence in possession" in the final third.
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Grant McCann's side have scored two or more goals in just four of their 20 games in all competitions so far this season, and went on to win all four of those fixtures.
The Tigers have struggled in the final third so far this season, but 2-0 wins over The Tykes and Birmingham could be a sign of things beginning to change.
"We're on a decent run and I think that stems from the three consecutive clean sheets which is a big thing in this league," Huddlestone told the Hull City website.
"To get three clean sheets on the bounce is massive, but we need to continue the momentum, have confidence in possession and especially in the final third, because we can't always rely on clean sheets to get us three points with one goal; some games we might need to score three or four.
"We knew what to expect from Cardiff City. They're a physical side who like to put the ball into the box as soon as they can and I thought we stood up to that well.
"Obviously in the last 10 or 15 minutes, they had a couple of chances, but other than that, I thought we limited them to very little to be honest. Although they had a bit of possession, it wasn't in too many dangerous areas."
Huddleston returned to the Tigers squad against Cardiff after a stint on the sidelines and didn't have long until he was called into action as a first-half substitute to replace Callum Elder in the heart of defence.
"I feel good. I returned a little bit earlier than expected," said Huddlestone. "I wasn't meant to be in the squad, but I was sort of rushed back a little bit, because we picked up a couple of injuries the game before.
"My body felt good and I was happy to play in a relatively new position with myself organising and keeping everyone focused, and the main thing was helping the team get the three points.
"We now have to approach the Millwall fixture the same to how we approached this game and the previous game against Birmingham City.
"I think we have the quality within our squad that can hurt most teams in this league so it's just about matching the tenaciousness of the opposition and staying compact and organised as a team and if we match people's work rate, I feel that we can outplay quite a few teams."