How 'Mattress Mack' got a Gallery Furniture ad on Dodger Stadium wall

Astros fans watching their team's American League Division Series games against Oakland this week will see a familiar sign on the right-center field wall at Dodger Stadium.

source https://www.chron.com/sports/astros/article/Mattress-Mack-Gallery-Furniture-sign-Astros-Dodger-15622315.php