Family members are looking for a Southborough, Massachusetts man who went missing following a Celtics game in Boston Wednesday night.

According Michael Kelleher's mother, he got drunk at the game at the TD Garden and didn't meet his coworker at her car after the game was over. His coworker eventually left.

His mother says his bank and credit cards have not been used since the game.

Kelleher, 23, is 6'2" tall, and has brown hair and blue eyes. He was wearing a Celtics jersey, a gray sweatshirt, brown khakis, black sneakers and a Celtics hat. He was last seen leaving the Boston Garden around 9 p.m.

A missing person report was filed Thursday by Kelleher's family, and Southborough police detectives said they are working with Boston police detectives to obtain more information.

Anyone with information is asked to contact Southborough police at 508-485-2147 or Boston police at 617-343-4240.