Blackmar joins the Ducks after pitching in 2015 with Double-A Birmingham in the Chicago White Sox organization. Over career-best totals of 26 starts and 151 and one-third innings pitched, he put together a 6-8 record with a 3.63 ERA and one complete game. The Texas native also pitched with the White Sox this year in spring training before coming to Long Island.

The 23-year-old spent the previous four seasons in the Baltimore Orioles organization. His best year came in 2013 with Advanced-A Frederick when he posted a 10-1 record with a 3.18 ERA, one save and 83 strikeouts in 26 games (18 starts). The righty has a career record of 27-21 with a 3.71 ERA and 240 strikeouts in 100 games (62 starts). Blackmar was originally drafted by the Orioles in the 16th round of the 2011 amateur draft.