Jimmy John's tuna salad is the same across the entire chain. It is present in four sandwiches, including the No. 3 Totally Tuna, the No. 15 Club Tuna, the Slim 3 sandwich, and the Little John No. 3.

Former Jimmy John’s and Nothing Bundt Cakes owner Cody Selman and his wife, Jamie Little, a longtime NASCAR correspondent, discovered their new franchise venture in Protein Bar & Kitchen. The couple ...