David Marshall Blough is an American football coach and former quarterback who is the assistant quarterbacks coach for the Washington Commanders of the National Football League (NFL). He played college football at Purdue and signed with the Cleveland Browns as an undrafted free agent in 2019. Following an injury to Matthew Stafford and Jeff Driskel, Blough assumed the starting role for the final five games of the Detroit Lions' 2019 season. He is married to Colombian-American hurdler Melissa Gonzalez.

Carrollton is a city in Dallas, Denton, and Collin counties in the U.S. state of Texas. As of the 2020 census, its population was 133,434, making it the 23rd-most populous city in Texas.