Blackwood joins after a long - and occasionally maligned - spell at Adelaide United, where he drew plaudits for his technical ability but was rarely sighted on the scoresheet.

Blackwood becomes Oldham's 12th signing of the campaign as Kewell launches an entire overhaul of the club.

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'Fantastic movement': Kerr scores critic-defying goal against Manchester United

Sam Kerr proved her doubters wrong, diving into the box to notch home a goal against Manchester United in Chelsea's FAWSL opener.

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'We saw the power of Foord': Matildas enjoy six-goal Arsenal field day

Steph Catley and Caitlin Foord both played excellent games as Arsenal ran out 6-1 winners over Reading in the Women's Super League.

"It's my first Australian that I've signed and I know what he's capable of," Kewell told the club website.

"It'll take a little bit of time for him to adjust to the culture in England but we've done our extensive homework on him.

"I'm excited to work with him and get the best out of him."

Kewell won his first competitive debut with Oldham in the League Cup, beating Carlisle United 3-0.

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Arnold pushes for Matildas starter as trio debut in WSL

Emily van Egmond, Alanna Kennedy and Mackenzie Arnold all played in West Ham's Women's Super League clash against Tottenham Hotspur.

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'Brilliant' Raso smashes Logarzo's Bristol on WSL debut

Hayley Raso got all the plaudits after putting on a clinic on her Everton Women's Super League debut, dismantling Chloe Logarzo and Tanya Oxtoby's Bristol City 4-0.

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Tokyo 2021 dream starts with A-League return for Canberra star

Former Bundesliga defender George Timotheou is now a free agent. He's targeting both an A-League club and a spot back in the Olyroos for Tokyo 2021.

PLUS...

'Like a new signing': Rogic returns to Celtic training

Tom Rogic has updated fans on his fitness as the Socceroo returned to Celtic training after reportedly knocking back a move to Qatar at the last minute.