In a small bowl combine onion powder, garlic powder, cloves, ginger, allspice, thyme, dry mustard, salt, paprika, cumin, sugar, black pepper, and cayenne. Use fingers to rub spices together to ensure that ginger is dispersed throughout. Rub spice mixture all over the pork.
Pour apple cider into slow cooker, then add pork with fat side up. Add bay leaf.
Cook on low for 8 hours, or until perfectly fork-tender and shreddable. Remove pork from slow cooker to a large cutting board and use two forks to shred meat.
Skim fat off the liquids in slow cooker and discard. Drizzle a few tablespoons of the remaining juices over the shredded meat and fold to combine.
Serve pulled pork on a sliced bun as-is (a buttered and grilled bun is awesome!) or slathered with your favorite BBQ sauce.
Nutrition information is automatically calculated by Spoonacular. I am not a nutritionist and cannot guarantee accuracy. If your health depends on nutrition information, please calculate again with your own favorite calculator.