– 4 lb pork butt roast bone-in & fat cap on – 1 cup red onion diced – 1/4 cup jalapenos sliced – 2 tbsp minced garlic  4-6 cloves – 12 oz wheat beer such as Blue Moon – 1 cup orange juice For Rub: – 1 tbsp olive oil – 1 tbsp coarse kosher salt – 1 tbsp dried oregano – 2 tsp ground cumin – 1/2 tsp ground black pepper