Ryan Christopher Costello was an American professional baseball infielder. He played college baseball for Central Connecticut State University, and was in New Zealand preparing to play in Australia at the time of his death.

Central Connecticut State University is a public university in New Britain, Connecticut. Founded in 1849 as the State Normal School, CCSU is Connecticut's oldest publicly-funded university. It is made up of four schools: the Ammon College of Liberal Arts and Social Sciences; the School of Business; the School of Education and Professional Studies; and the School of Engineering, Science, and Technology. As of Spring 2022, the university was attended by 8,898 students: 7,054 undergraduate students and 1,844 graduate students. More than half of students live off campus and 96 percent are Connecticut residents. The school is part of the Connecticut State Colleges & Universities system (CSCU), which also oversees Eastern, Western, and Southern Connecticut State Universities.