PORTLAND, Ore. (AP) — The family of "Rowdy" Roddy Piper asked fans to observe a moment of silence as his friends and relatives gathered for a memorial Tuesday.The kilt-wearing trash-talker who headlined the first WrestleMania died of cardiac arrest on July 31 at his California home. He was 61.His family held a private funeral Tuesday in the Portland, Oregon, area, where he maintained a home.