Pulled Pork Sandwiches with Stone Fruit Salsa

Name: Pulled Pork Sandwiches with Stone Fruit Salsa
Ingredients: Boston Butt; 1 tablespoon Dijon mustard; 1 tablespoon Worcestershire sauce; 1/2 tablespoon hot pepper paste; 5-6 garlic cloves, divided, peeled; 3 tablespoons light brown sugar; 1 tablespoon dried oregano; 1 tablespoon ground thyme; 1 tablespoon smoked paprika; 1 tablespoon sea salt; 1 tablespoon cider vinegar; 3 tablespoons olive oil; 4-5 pound Boston butt (pork shoulder); 1 small white onion; 2 medium carrots; 2 cups beef or veal stock; Stone Fruit Salsa; 1 small red onion; 1 serrano pepper; juice of 1 lime; 1 teaspoon honey; 1 tablespoon white vinegar; 1 tablespoon olive oil; 4 nectarines; // 12 large buns, or 24 mini ones. Potato works well, but brioche does too. Any soft bun will work.