Enigmatic Brisbane forward Jared Brennan starred with seven goals as the Lions soared to their fourth straight AFL victory, a record 22.17 (149) to 7.14 (56) pummelling of a dismal Collingwood at the MCG.

It was the highest score and biggest winning margin ever recorded by Brisbane against Collingwood and was easily the Magpies' biggest defeat of the season, their previous worst being a 33-point loss to the Western Bulldogs in round eight.

Adding to their pain, impressive young midfielder Scott Pendlebury left the ground 10 minutes into the match with a leg injury.

Collingwood coach Mick Malthouse later said Pendlebury had broken a bone in his foot and was expected to miss the rest of the home-and-away season.

For Brisbane, the victory continued a great run of form, which started with their upset of West Coast at Subiaco in round 14 and has revived their finals chances.

Since then, they have thrashed Melbourne by 44 points, then mauled Carlton by 117 last round, before the 93-point thumping of a Collingwood side whose season had previously been marked by consistent competitiveness.

That was nowhere near the case against the Lions, with the match pretty much over as a contest by half-time, by which stage Brisbane had racked up a 54-point lead and Brennan already had five goals on the board.

Lions coach Leigh Matthews said the Lions' ladder position made it difficult to make the finals, but he could not fault his side's form.

"Very impressive, that was a very powerful performance," he said.

"...Just the actual performance, the style and brand of footy that the team played tonight, I was certainly impressed."

He said the Lions had set themselves a benchmark with the effort against the 'Pies.

"I said to the guys after the game 'the pressure's on you now because you've proved you can play at a fairly high level'," he said.

"To do that against a good Collingwood side at the MCG is not going to happen too often."

The Lions' dominance began in the midfield, where former Brownlow medallist Simon Black was in sublime touch.

He gathered 30 disposals and was equally impressive in clearing the ball from stoppages, which he did repeatedly, or in setting up his forwards with beautifully weighted passes.

Black had plenty of help in the midfield, with Jed Adcock also gathering plenty of touches, as well as kicking four goals, while classy veterans Nigel Lappin and Luke Power were also busy.

But it was Brennan's starring role up forward which would have pleased Brisbane as much as anything, given the Lions' heavy reliance on key forward Jonathan Brown has been one of their biggest concerns.

Matthews warned pre-match of the dangers of his players looking for Brown too much, after his 10-goal haul against the Blues last round, but that was never going to be a concern with Brennan on fire early.

He kicked three goals in the first quarter and another two in the second and had three opponents by half-time - Harry O'Brien, Dane Swan and Tyson Goldsack.

Brown was less productive on the scoreboard, with three goals, but was still very dangerous, pulling down 12 marks and working beautifully in tandem with Brennan.

There was little to like about Collingwood's game.

Heath Shaw, Swan and Shane O'Bree worked hard, Dale Thomas provided some moments of dash, while Nick Maxwell kicked four goals, but they all came in the second half.

Malthouse said he had a feeling leading into the game that his team was in for a poor performance, having battled hard throughout the season so far.

"Maybe I read it a bit better than most, but I said to a couple of (assistant) coaches in the coaches' box before the bouncedown 'how do you reckon they are?'," he said.

"They said 'they looked alright' and I said 'I'm telling you, know they're not' because you can read it."

He said Maxwell was the only Collingwood player who broke even in his position.

But he gave credit to the Lions, saying their form was good enough to make them premiership contenders, despite coming into the round in 12th position.

"They've got to make (the finals), that's probably going to be their problem," he said.

"But they should, the way they played tonight and the way they played last week, in fact the last month, they could quite easily make the eight and give it a terrible shake."

Lions ruckman Jamie Charman also capped a fine game by drifting forward to kick two goals, while pacy half-forward Rhan Hooper was another standout in attack and kicked three goals.

Hooper provided a match highlight early in the third quarter when he used his speed to break a tackle on the wing, passed to team-mate Robert Copeland, whose marking attempt was spoiled, allowing Hooper to swoop on the crumbs and slot through the goal himself.

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