Aloysius McSweeney was a male human from Cestus III, and one of the original players for the Pike City Pioneers during the initial season of the Cestus Baseball League. McSweeney hit the first home run in the new league's history, in the ninth inning of their first game, versus the Palombo Sehlats. The ball was displayed at the Pioneer Pub in Pike City.

Nanietta Bacco, a great baseball fan, would often tell staff members stories about McSweeney and other historical baseball players. (ST novel: Articles of the Federation)