Seattle Seahawks offensive lineman and G.A.R. graduate Mark Glowinski provided NFL level instruction to local high school players at Wilkes-Barre Memorial Stadium on Saturday.  Glowinski was helping out with the Jarad Grohowski Foundation football camp, a free clinic that benefits student-athletes in the area. Glowinski told Eyewitness News that he enjoys giving back to the community where he grew up.