Candelario enters his first season with the Somerset Patriots and in the Atlantic League of Professional Baseball after playing most of his career in professional leagues in Central America. He has played in Nicaragua, Mexico and his native Dominican Republic before playing in Italy the past two seasons.

Candelario spent the first part of 2016 in Rimini of the Italian Baseball League where he finished with a 4-2 record, a 1.88 ERA and 54 strikeouts in 38.1 innings pitched in seven games started.

He spent the 2015 season with La Guaira in Venezuela and had a 3-2 record with a 2.16 ERA and 42 strikeouts in 58.1 innings pitched in 14 games (11 started).

Candelario played for Navojoa in Mexico in 2011 and 2012 where he appeared in nine games over the two seasons. In 2012 for the Marineros de Ensenada in the Liga Norte de Mexico, Candelario went 10-3 with a 2.93 ERA in 101.1 innings pitched in 15 starts.