STAR midfielder Lachie Hunter has committed his long-term future to the Western Bulldogs by signing a five-year contract extension.

The reigning club best and fairest will be a Dog until the end of 2024 in a deal announced at the club's season launch on Tuesday night.

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"I've clearly wanted to play for this club my whole life, and to be able to do that over an extended period now is a really good feeling," Hunter said.

"I'm super happy to be here until just around that 30 mark, and a few more once I get there. Hopefully I can repay the faith over the next five years.

"I cherish every time I get to run out in the Bulldogs guernsey.  It's something I definitely don't take for granted.

"I just love everyone at the club so much, and it's such a great place to work."

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Hunter, the son of former Footscray star Mark, will turn 30 in the final year of his fresh deal.

The 24-year-old last year averaged a career-high 29.8 disposals per game last season before claiming his first Charles Sutton Medal.