MELBOURNE, AUSTRALIA - SEPTEMBER 09: Steven Motlop of the Cats celebrates winning the 2nd AFL Qualifying Final match between the Geelong Cats and the Hawthorn Hawks at Melbourne Cricket Ground on September 9, 2016 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

Geelong speedster Steve Motlop has decided to join Port Adelaide, with the Power confirming the news on Friday afternoon.

Motlop will join the Power on a four-year deal if Geelong opt not to match Port’s free agency bid, which the Cats have three days to make a decision on.

The Cats will most receive a second round pick as compensation for losing the 26-year-old.

The Power beat cross-town rivals, Adelaide and the Gold Coast Suns to secure Motlop’s services.

Motlop played 23 games for the Cats this season, averaging 19.3 disposals and kicking 22 goals.

He played a total of 135 games and kicked 175 goals for Geelong since being selected with pick No.39 draft pick.