Andrew Fatse competed at Cooperstown Dreams Park three times with the Hampden Dodgers (MA) between the years of 1999 and 2001. Each year was during week 5.

Andrew graduated from Minnechaug Regional High School (Wilbraham, MA) where he was a member of the baseball team. After his high school graduation, Andrew continued his education and baseball career at Western New England College (Springfield, MA).

During his freshman season at Western New England College (2008), Andrew played in 12 games, starting four of them. He finished the season with a .346 BA, including nine hits and two doubles. He was named to the 2009 ABCA All-America Second Team.

In his sophomore year (2009), Andrew led all batters with a .420 BA, starting all 47 games, collecting 68 hits, 44 runs, and 68 RBI as well as recording a .946 fielding percentage. Andrew received such accolades as TCCC Player-of-the-Week (May 4), All-TCCC First Team, All-NEIBA Division III First Team, ECAC Division III New England All-Star First Team, d3baseball.com Division III All-America Third Team, and ABCA Rawlings NCAA Division III All-American Second Team.

Andrew's junior season (2010) stats included .333 BA on 46 starts, 53 hits and a .978 fielding percentage. The team finished 34-12. In June, 2010, Andrew signed a 10-day contract with the Holyoke Blue Sox. The Blue Sox is a member of the New England Collegiate Baseball League.

Andrew and the Golden Bears of Western New England had a successful season during his senior year (2011). A captain, Andrew led the team in stolen bases with 27 out of 29 attempts. He recorded a .342 BA on 52 starts, 66 hits .981 fielding percentage. Andrew was the Commonwealth Coast Conference (TCCC) Baseball Player-of-the-Week on March 28th and then again May 2nd. The Golden Bears had their best season in history with a 42-11 record, winning the New England Regional championship, and making their first appearance at the NCAA Division III World Series.