Acquired by Gateway in the September 2011 trade with the River City Rascals that involved Charlie Lisk. 2011 w/ the Rascals: 9-4 with a 4.50 ERA; 26 appearances 12 starts; 77 strikeouts in 88 innings. Drafted by the Florida Marlins in the 30th round of the 2010 MLB Draft. *2010: 1-2 with a 5.06 ERA in the Marlins Organization (Rookie Ball, Low-A Jamestown and one appearance stints at Single-A Greensboro and High-A Jupiter). Robertson had a successful college career at the University of Iowa.