He did not sign with the Marlins and was later taken by the Kansas City Royals in the 11th round (325th overall) of the 2001 Major League Baseball Draft.

In a breakout 2005 season, playing for the Class A-Advanced High Desert Mavericks, he batted .313 with 5 home runs in 133 games.

At the time, Baseball America ranked Sánchez as the best infielder in the Royals' minor league system.

He spent all of 2012 back in the minor leagues, playing in 107 games with the Triple-A Oklahoma City RedHawks and hit .320.

Sánchez finished the 2013 season with the Somerset Patriots of the Atlantic League of Professional Baseball, hitting .228 in 31 games.

On June 13, 2014, Sánchez signed a minor league contract with the Los Angeles Dodgers and was assigned to the Double-A Chattanooga Lookouts.

After sitting out the 2015 season, Sánchez completed his playing career in 2016 with Southern Maryland, batting .280 in 79 games.

As of the 2019 season, Sánchez is the coach for the Boston Red Sox' Double-A affiliate, the Portland Sea Dogs.