was not signed by New England. Seven months later he attempted to return to New England but was again sidelined when he tore his meniscus. This would require multiple surgeries. FC Cincinnati On February 15 Spencer signed his first professional contract with United Soccer League expansion side FC Cincinnati and made his professional debut on March 27 against Charleston. He played in 11 of Cincinnati's 30 league matches and 1 of their 2 U.S. Open Cup matches going goalless in all competitions. Louisville City FC After seeing little playing time in Cincinnati, Spencer went on trial with USL side Louisville City FC and signed with them on February 9, 2017. He made his season debut on March 25 against Saint Louis FC and went on to appear in 26 of Louisville's 32 league matches. He led the team in league play in both goals and points with 10 and 23 respectively and along with Cameron Lancaster was one of only two Louisville players with double digit goals across all competitions. He also appeared in one of Louisville's two U.S. Open Cup matches as well as all four of Louisville's USL Cup matches, scoring one goal. Spencer and Louisville went on to win the USL Cup Final against Swope Park In 2018, Spencer had his contract renewed with Louisville and he made his season debut on March 17 against USL expansion side Nashville SC where he scored the first goal of Louisville's season. In early June he had surgery on his right knee which caused him to miss significant time. He only appeared in 19 of Louisville's 34 league matches primarily as a substitute while scoring five goals. He also appeared in three of Louisville's five U.S. Open Cup matches scoring one goal as Louisville reached the quarter finals of the competition for the first time in its history. This included a 3–2 victory over the New England Revolution of MLS; Louisville's first victory over an MLS side. Spencer also appeared in all four of Louisville's USL Cup playoff matches. Starting both the Eastern Conference Final and USL Cup Final matches in place of the injured Cameron Lancaster. He scored two goals in the playoffs including the sole goal of the USL Cup final match as Spencer and Louisville went on to win the USL Cup Final against Phoenix. Where he was named USL Final MVP Spencer along with fellow forwards