Morgan's knee injury happened in April during the NWSL season against the Boston Breakers.[126] She made her first start at the World Cup Finals as the U.S. defeated Nigeria 1–0 in the last group match to advance as group winners.[127] She registered her only goal of the World Cup's knockout stage with the opener in the 2–0 last 16 win over Colombia.[128] Morgan did, however, win penalties for the USWNT in the 2–0 victories against Colombia in the last 16 and Germany in the semi-finals, respectively.[128][129][130] She then started the 2015 FIFA Women's World Cup Final as the USWNT defeated Japan 5–2 to win its third FIFA Women's World Cup.[131] Morgan played in all seven World Cup Finals matches and started in every one of them since being restored to the starting XI against Nigeria.[132]