St Kilda wingman Jack Sinclair hasn’t missed a beat this summer as he looks to follow up his breakout 2017 with an even better showing in 2018.

After spending the bulk of 2016 biding his time at Sandringham, Sinclair forced his way into Alan Richardson’s side in Round 6 last year and never looked back, averaging 20.8 disposals, 12.6 uncontested possessions and 2.7 inside 50s from the final 17 games.

On the back of his sparkling form last year, Champion Data has ranked Sinclair amongst the top five wingmen in the competition this season, alongside Lachie Whitfield, Dan Hannebery, Aaron Hall and Justin Westhoff.

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Sinclair, who inherited Robert Harvey's iconic No. 35 at the start of last season, hasn’t missed a session this pre-season and has focused on improving the defensive side of this game to help end St Kilda’s six-year finals hiatus in 2018.

“It’s just been another building block on recent years,” Sinclair told saints.com.au after Wednesday’s match simulation session at Trevor Barker Oval.

“I haven’t missed a session this summer, so it’s really good to get that continuity with my training and gettreally real fit by being out there.

“I’ve focused a lot on the defensive side of my game. We want to get better defensively as a team, so unless players like myself improve in that area, we’re not going to get there.

“So that’s been one of my main focuses over the summer, just like the team.

“It’s about focusing on it, getting out and doing the work at training in specific drills through tackling and turning my head to defend.”

While top-10 draft picks, Hunter Clark and Nick Coffield, are the names on the top of many people’s tongues when discussing early season debuts, Sinclair has also been impressed by former Murray Bushrangers midfielder Ben Paton.

“I think Hunter and Nick will both push for an early debut, and maybe even Ben Paton,” he said.

“He was great in the match sim, can play anywhere – wing, half-forward, inside and even half-back. Those three guys are really versatile which I think will help push their case.”