How high is the fantasy ceiling for Marlins prospect Zac Gallen?

Does Miami Marlins prospect Zac Gallen have a bright future in the bigs. What sort of fantasy upside does he carry? Reinhold Matay-USA TODAY Sports

Zac Gallen was selected in the third round of the 2016 draft by the St. Louis Cardinals. The former University of North Carolina product was traded to the Miami Marlins in December of 2017 as part of a five-player swap involving Marcell Ozuna. In 2018, he pitched well enough in 25 starts for the New Orleans Baby Cakes to earn a non-roster invite to big league camp this spring. Gallen appeared in four games -- including one start -- for the Marlins during Grapefruit League play, striking out 12 and walking just a single batter in nine innings.

Despite the strong performance, Gallen did not