After actor Jon Hamm spotted in DFW, Fort Worth restaurant announces 'Jon Hammburger' special Source: wfaa.com https://www.wfaa.com/article/news/entertainment-news/jon-hamm-spotted-dfw-jds-hamburgers-announced-jon-hammburger-special/287-60f47379-020b-4ef8-bea3-86e1a133d09e