Blues general manager Doug Armstrong is staying busy this summer. After last week’s trade for Ryan O’Reilly and the signings of Tyler Bozak and David Perron, Armstrong could be adding another piece.



Over the weekend, a source told The Athletic that free-agent forward Pat Maroon, a native St. Louisan, was expected to sign a contract with his hometown team, the Blues.



The Blues had put a full-court press on Maroon recently, with Armstrong meeting him in person in St. Louis to go over his potential role and current players such as captain Alex Pietrangelo calling to encourage him to join the club. According to multiple sources, the 30-year-old had decided to stay home, where he attended Oakville High and played for the St. Louis Bandits of the North American Hockey League under Jon Cooper, now the coach of the Tampa Bay Lightning.



After a day with no confirmation, though, there are concerns about whether Maroon will stick to his original decision of...