Munhak Baseball Stadium, home stadium of the South Korean professional baseball team SK Wyverns who gave their support to the series, served as a filming location and was used in one teaser poster.
Scenes taking place in California were filmed in Hawaii.
Following the success of the drama, the cast and crew went on a four-day reward vacation to Saipan on February 17, 2020.
The series is based on Lee Shin Hwa's screenplay, which was one of the winners in the 2H 2016 MBC Drama Screenplay Contest (Miniseries Category).
Min Nam-koong and Park Eun-bin previously worked together as second leads in the MBC series Gu Am Heo Joon (2013).