Maine Mariners coach donates funds from his 'Skills Challenge' to the Locker Project Mariners head coach and Assistant General Manager Riley Armstrong donated $3,500 to the Locker Project after raising the money from his skills competition in March. Author: Sam Rogers (NEWS CENTER Maine) Published: 5:35 PM EDT July 8, 2021 Updated: 5:36 PM EDT July 8, 2021 SCARBOROUGH, Maine — The busy offseason for the Maine Mariners continues. Last week the professional hockey team announced it is the newest affiliate of the Boston Bruins. On Tuesday, head coach and Assistant General Manager Riley Armstrong and his wife Amber made a $3,500 donation to the Locker Project in Scarborough.