Spray crock pot with nonstick cooking spray
Generously sprinkle all sides of the pork loin with the garlic rub
Place pork loin in crock pot
Pour 1 cup of cherry Pepsi into the crock pot
Cover and cook on low until the meat is fall apart tender - 8 to 10 hours
Take pork out of the crock pot and discard any excess fat
Shred pork with two forks
Place shredded pork back in the crock pot and coat with BBQ sauce
Warm on low for 10 - 15 minutes or until BBQ sauce is warm
Serve hot on hamburger buns