FREE Dr. Pepper at Murphy USA! Aug 31 2010 @11:00 amComment Sharing is caring! Facebook Twitter Pinterest Email Become a “Liker” of Murphy USA on Facebook, then click the “FREE Dr. Pepper” tab at the top to receive a coupon for a – you guessed it – FREE 20 oz Dr. Pepper via email! Category: Printable Coupons, FREEBIES Newsletter NEVER miss a deal! If you’re tired of paying too much for the things your family needs most, sign up to receive daily Kroger deals sent straight to your inbox! Success! You will now begin to receive emails to help you save the most at Kroger! There was an error submitting your subscription. Please try again. Email Address Subscribe No spam, ever.