Ryan O'Keefe kicked four goals and shut down Luke Hodge as Sydney rode a dominant first-half performance to thrash Hawthorn by 44 points on Saturday.

Sydney's 10th win of the AFL season lifts the Swans one place on the ladder to seventh, while the Hawks drop to eighth.

The Swans' blistering first-half onslaught at the SCG set up the 19.15 (129) to 13.7 (85) victory, having led by 47 points at half-time.

Sydney defender Heath Grundy had a game-high 32 possessions and kept Hawthorn's star forward Lance Franklin quiet for most of the game.

But Franklin's three late goals still gave the big left-footer a four-goal tally for the match.

The most celebrated goal of the game came at the 23-minute mark of the last quarter when Lewis Jetta slotted through a banana kick, his first major after 19 behinds in his debut season.

The Swans players mobbed the West Australian recruit and the crowd of 29,431 erupted as the 21-year-old finally broke his duck.

"I hope he kicks 19 straight goals now," Swans coach Paul Roos said.

"He just needed to break the drought. You saw again today he has just got that real class."

Jetta's dramas in front of goal continued in the first three quarters on Saturday with three behinds and a disallowed goal on the run at three-quarter-time.

"I thought it was going to turn ugly after he kicked a goal one second after the siren went in the third quarter," Roos said.

"It was good and you can see how much it means to the players.

"The whole 18 (players celebrated) and I had to hold the four blokes on the bench from running on as well.

"That's how excited everyone was."

Roos felt the Swans didn't have one poor player on the day, with Adam Goodes, Trent Dennis-Lane and Ben McGlynn kicking three goals each and veteran Brett Kirk (29 possessions) just taking the honours in an enthralling midfield battle with Hawks captain Sam Mitchell (23).

Sydney's 2009 club champion O'Keefe appears to have been carrying a slight groin problem in recent weeks but Roos would confirm only that the left-footer was "a little bit sore".

"His job on Hodge was just a super effort. Hodgey's in the top four or five players in the competition so we tried to set Ryan a real task today to try to do it," Roos said.

"To kick four goals on him and keep him to 13 possessions, he certainly exceeded our expectations.

"Hodgey often goes behind the ball and Ryan being a natural forward, we thought maybe that could catch him out a little bit.

"He certainly hasn't done that (tagging) role before."

Midfield tagger Kieren Jack kept Shaun Burgoyne quiet early and had 21 possessions in the crucial first half, showing a greater work-rate than some of the Hawks players who left coach Alastair Clarkson feeling "shattered".

"When the whips were cracking we weren't there and Sydney were just outstanding," Clarkson said of Sydney's first-half dominance.

Jack may come under video scrutiny by the match-review panel for a high bump in the second quarter while Hodge's immediate player future may also be under threat following a clash with Goodes.

Sydney play Fremantle in Perth next Saturday while the Hawks host Melbourne at the MCG the following day.

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