Rumours suggest Max Biaggi will have more than just World Superbike testing on his mind when he takes to the track for Aprilia this week.

The Italian, who retired from racing with four 250GP and two WSBK titles in 2012, looks set to take on increased development work for Aprilia following the departure of Alex Hofmann.

Biaggi's 2015 schedule will begin with four days on the RSV4 at Portimao. However, writing on his Gazzetta.it blog, Paolo Gozzi believes there is a good chance of the Roman making a wild-card appearance - perhaps as early as round one in Australia.

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"The next phase will be [Biaggi's] return to the starting-grid of the world championship, maybe even in the opening round at Phillip Island in exactly one month's time," Gozzi writes. "At the very latest it might be Misano, another suitable track, on June 22nd. "We're talking about it", they say in Aprilia...

"Max actually wanted to race in Qatar last November, but with Melandri and Guintoli at odds and with the title up for grabs, entering a third rider would have been too much. Now there are no problems of co-existence and entering a third rider on occasions would speed up the development of the new bike.

"Especially if the third rider is called Biaggi..."

With Aprilia shifting its factory focus to MotoGP this season, the Red Devils Roma line-up of Jordi Torres and Leon Haslam will lead the RSV4's WSBK championship hopes. Biaggi, 43, is also involved in testing of the new 2016 Aprilia MotoGP prototype, which Michael Laverty will also help develop.