Zaleski joins the Blue Crabs after splitting time last season between Sioux Falls of the American Association and Alexandria of the Continental Baseball League. In Alexandria, Zaleski went 2-1 with a 2.83 ERA in seven starts. Although he started there, Zaleski was a reliever for two previous clubs and will be again for Southern Maryland. In three seasons, Zaleski is 3-3 lifetime with a 3.84 ERA in 23 games. Zaleski also pitched collegiately at Illinois State University.