Fautino de los Santos

On July 2, 2018, De Los Santos signed with the Diablos Rojos del México of the Mexican League. He was released on August 14, 2018.

On February 6, 2013, De Los Santos was claimed off waivers by the San Diego Padres. Later that year, he was one of 20 players named in connection to Biogenesis of America, who allegedly gave performance-enhancing drugs to professional players. On August 5, 2013, he agreed to a 50-game suspension for his role in the scandal while in Arizona recovering from right shoulder surgery.

On July 28, 2012, De Los Santos was traded to the Milwaukee Brewers for catcher George Kottaras.

In January 2008, he was traded along with Ryan Sweeney and Gio González to the Athletics for Nick Swisher. In 2008, he pitched for Single-A Stockton, but was out for much of the 2008 and 2009 seasons after undergoing Tommy John surgery to repair an injured elbow. He finished 2009 with the AZL Athletics and was added to the Athletics' 40-man roster after the season ended. De Los Santos began 2010 back with the Stockton Ports and was promoted to the Double-A Midland RockHounds where he spent most of the season. Despite finishing 2010 with a disappointing 6.54 ERA in 25 appearances with Midland, De Los Santos performed well in 2011 and quickly climbed the ranks. He was promoted to the Triple-A Sacramento River Cats on May 5.

De Los Santos began his career in the Chicago White Sox organization as a starting pitcher. He played well in the Dominican Summer League in 2006. In 2007, he split time between Single-A Kannapolis and Advanced-A Winston-Salem.

Fautino De Los Santos (born February 15, 1986) is a Dominican professional baseball relief pitcher who is currently a free agent. He played in Major League Baseball for the Oakland Athletics in 2011 and 2012 and he played for the Musashi Heat Bears in Japan's Baseball Challenge League.