New York (CNN Business) Under Armour CEO Kevin Plank is defending his company's hometown after President Donald Trump attacked Democrat Elijah Cummings, whose congressional district includes Baltimore, and criticized the city.

Under Armour's UAA Plank posted an old commercial on his personal Instagram account Sunday showingadoration of the Maryland city.

He didn't mention Trump by name, but the intention was clear with his caption: "On behalf of the thousands of UA Teammates who proudly call Baltimore HOME... Work to be done but we are of this city and for this city," Plank wrote.

Under Armour launched that marketing campaign in 2017 to become more engaged with Baltimore. The one-minute commercial, originally released last year, points to an Under Armour website for We Will Under Armour launched that marketing campaign in 2017 to become more engaged with Baltimore.

Trump ignited controversy on Saturday when he called the city "disgusting, rat and rodent infested mess" and attacked Cummings, who represents Maryland's 7th Congressional District. The tweets have sparked a reaction from city officials and politicians to defend the city and condemn Trump.

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