Even as early as 11 p.m., only minutes after the game had ended, cars were flowing into the parking lot and fans could be seen running into the store to claim their merchandise celebrating their team's NFL championship.
"We just wanted to check out the merchandise and see what they had and be the first ones to grab it," said Catonsville resident Andrea Hongtong.
Hongtong arrived at Sports Authority wearing a purple sweat shirt, a Ravens T-shirt, a Ravens scarf, a purple and black hat and carrying a Ravens purse. She made sure she had a Super Bowl Champions T-shirt to add to her collection.
Howard University sophomore Dominique Fowler was also at the store late Sunday night. She said she planned to return to Washington, D.C. school for classes the next day and had to make sure she was showing her Ravens pride.
"I've got to rock my Ravens gear every day this week," Fowler said.
Harry Brown gave out high fives and cheers as he picked up his merchandise Sunday night.
"Even though the lights went out, we knew we were going to knock them out," Brown said of the second-half power outage at the Superdome in New Orleans that caused a delay of more than 30 minutes.
After Brown and his wife each bought a T-shirt, he could hardly contain his excitement.
"We spanked them," he cheered before doling out more high fives.
Terry Kenkel was folding and stocking T-shirts on the special display tables that Sports Authority set up inside the doors.
He said he works for the company's corporate office in Denver. and is in charge of making sure all 11 Sports Authority stores in the Baltimore metro area were stocked and ready for the post-game rush.
Kenkel said that hats are the most popular item and those, as well as the T-shirts are critical to have on shelves as soon as the game ends.
"We have it out right away...tomorrow it will sell like crazy," Kenkel said of the Super Bowl Championship hat.
Larry Hall, the sales manager at Sports Authority, said the decision to open the store Sunday night was made "as soon as we knew that they made it to the Super Bowl."
The store opened as soon as the game was over Sunday night, stayed open until 12:45 a.m. Monday morning and will re-open again at 6:00 a.m. to continue sales.
"More people will probably plan to come out tomorrow morning than tonight," Hall said.