On September 25, 2011, Decker scored her third career hat trick in a 13–0 defeat of the Lindenwood Lady Lions ice hockey program.

[6] In the opening preliminary round 5-2 victory over Finland on February 3, Decker suffered a knee injury in the middle of the first period and was ruled out of the Olympics.

[8] Making her debut for the Boston Blades on January 17, 2015, Decker accumulated seven points (three goals, four assists) in an 11–3 win against the Brampton Thunder.

During the 2015 Clarkson Cup playoffs, Decker led all players in scoring while registering two goals in the championship game, a 3–2 overtime win over the Montreal Stars.

[10] On July 24, 2018, Decker and fellow Team USA gold medalist Kacey Bellamy signed as free agents with the Calgary Inferno.

[11] Decker would score the game-winning goal versus Les Canadiennes de Montreal in the 2019 Clarkson Cup finals, with Bellamy gaining the assist.

On January 25, 2019, Decker participated in the NHL All-Star Skills Competition, where she demonstrated the premier passing drill event.

[15] Playing for a team sponsored by the Women's Sports Foundation, Decker recorded two goals and two assists in a 4-3 win,[16] earning the First Star of the Game.