There he was drafted by the Toronto Blue Jays in the 11th round of the 2007 draft. He hit .298 in 2010 at AAA Las Vegas in the Pacific Coast League & was drafted away (Rule V) by the New York Mets that winter.
As the new Terry Collins managerial era began, everyone had a chance of making the ball club. The Mets were fed up woth Luis Castillo & he was released in mid March. Emaus had a good spring surprising everyone & manager Collins named him the clubs second baseman for 2011.
He found himself as the teams Opening Day second baseman batting in the seventh position. He drew a walk that day & got his first career hit the next day against the Marlins in Florida.
On April 5th he singled off the Phillies Cole Hamels driving in the fifth run of a Mets six run third inning, in a game they went on to win 7-1. In his fourth career game he had two hits and was batting .308 but it all fell apart from there.
By April 17th his average fell to .162 with no extra base hits, and he was designated for assignment. He was sent back to Toronto soon after. Justin Turner was called up & took the position over for the remainder of the season.
In January 2012 he was traded to the Boston Red Sox system but was released. He resigned with the New York Mets & batted .212 at AAA Buffalo in 73 games the rest of that year.
Retirement: Since then he has retired from playing & has opened up a hitting academey at Monroe, Louisiana.