Due to the increased implementation of slave codes, which created differential treatment between Africans and the white workers and ruling planter class, the island became increasingly unattractive to poor whites.
Moosup's claim to fame is that it is the boyhood hometown of Walt Dropo, During a 13-year career in Major League Baseball, he played for the Boston Red Sox (1949–1952), Detroit Tigers (1952–1954), Chicago White Sox (1955–1958), Cincinnati Redlegs (1958–1959) and Baltimore Orioles (1959-1961).
During the next season, Álvarez split his playing time between the Class-B Wenatchee Chiefs of the Northwest League and the Class-B Clovis Redlegs of the Southwestern League.