Patrick Bines joins the Eagles as a Category B rookie.
The 19-year-old junior Melbourne Tiger turned down interest in his native state, and from Gold Coast, to pursue an AFL career in Perth instead.
"I prefer to go interstate as a personal preference, for a brand-new start and it's a really good lifestyle over there from what I've seen," Bines said.
"They've got a really good list there and there's some really good players I can learn from, so I'm just going to do the best I can and do all the extras."