Dominican Professional Baseball League
Outside North America, Leiper played for Cañeros de Los Mochis of the Mexican Pacific Winter League in 1993, and Águilas Cibaeñas in 1996, where his team won the Dominican Professional Baseball League championship. In 1999–2000 he coached for Pastora in the Venezuelan Professional Baseball League, as well as Aguilas, in 2007–08 in the Dominican winter league. Aguilas won both the Dominican championship and the Caribbean World Series.