Place bread slices in a food processor; pulse 10 times or until coarse crumbs measure 1 cup. Place breadcrumbs in a shallow dish.
Combine salt, pepper, sage, and thyme; sprinkle over both sides of pork. Place flour in a shallow dish; place egg whites in another shallow dish. Dredge pork in flour, dip in egg whites, and dredge in breadcrumbs. Heat oil in a large nonstick skillet over medium-high heat. Add pork to pan. Cook 2 1/2 minutes or until lightly browned. Lightly coat surface of chops with cooking spray; turn chops over. Cook 2 1/2 minutes or until done. Serve with lemon wedges.