PITTSBURGH, Oct. 4, 2013 /PRNewswire/ -- DICK'S Sporting Goods (NYSE: DKS), the largest U.S. based full-line sporting goods retailer, invites the community of Issaquah to their three-day grand opening weekend. The celebration begins on Friday, October 11 at the retailer's new location at Grandridge Plaza (1422 10th Way NE) and continues through Sunday, October 13. Special extended store hours will be in effect for Friday ( 8:00 a.m. to 10:00 p.m.), Saturday ( 8:00 a.m. to 10:00 p.m.) and Sunday ( 9:00 a.m. to 8:00 p.m.). Throughout the weekend, DICK'S will host a variety of giveaways, including a free Mystery Gift Card from $5 to $500 for the first 100 adults in line on Friday and Saturday, a free Under Armour Tech™ T-shirt for the first 100 people in line on Saturday and a free Scratch & Win card, where every card is a winner, for the first 100 adults in line on Sunday.* On Saturday, Former Seattle Mariner Edgar Martinezwill make an appearance in-store from 12:30 – 2:00 p.m.** Martinez is considered one of the greatest designated hitters in history with a batting average of .312 and over 300 home runs. "We look forward to opening our new DICK'S Sporting Goods in Issaquah and becoming part of the community," said Lauren Hobart, Senior Vice President & Chief Marketing Officer, DICK'S Sporting Goods. "We want to serve athletes of all ages in Issaquah by providing the equipment they need to help them excel." The Issaquah location will be the retailer's 4 th store in the state of Washington and its 536 th nationwide. The new store will feature over 40 in-store services performed by DICK'S certified PROS in Golf, Bike, Hunting, Fishing, Team Sports and more. Visit www.DicksSportingGoodsOnline.com/GrandOpen/Issaquah for more details. *NO PURCHASE NECESSARY. Purchase does not improve chance of winning. Limit one per person. See store for details.