Undrafted by MLB out of Manhattan College in New York, Christian, after signing in late June, became on constant presence at first base, hitting .260 , knocking nine doubles in 42 games. Santisteban is coming off a successful college career where he hit .367 with seven homer and 46 RBI. He was the 2016 MAAC Conference Player of the Year. As a junior, he hit .301, 2HR, 14 doubles, 28RBI. In 2014, as a sophomore, he was 1st Team all-MAAC, hitting .314, with a conference best 17 doubles. In 2013, he was a two-time MAAC rookie of the week. Played summer collegiate baseball with the Elmira Pioneers of the Perfect Game Collegiate Baseball League, and he was the PCGBL Player of the year in 2015, hitting .377 with 6HR and 38RBI.