Jackson Williams
Jackson Thomas Williams (born May 14, 1986) is an American former professional baseball catcher. He played in Major League Baseball (MLB) for the Colorado Rockies and San Francisco Giants.

Career

Amateur
Williams attended the University of Oklahoma, and in 2006 he played collegiate summer baseball with the Hyannis Mets of the Cape Cod Baseball League.

San Francisco Giants
Williams was drafted by the San Francisco Giants in the first round of the 2007 Major League Baseball Draft. He played in the Giants organization until 2013 without making the majors.

Colorado Rockies
He signed a minor league deal with the Colorado Rockies before the 2014 season.

Williams was called up to the majors for the first time on June 22, 2014.

Los Angeles Angels of Anaheim
Williams was claimed off waivers by the Los Angeles Angels of Anaheim on October 22, 2014.

Second Stint with Giants
He never appeared in an MLB game for the Angels, and was purchased by the San Francisco Giants (the team who originally drafted him in the first round in 2007) on March 17, 2015. As a September callup, Williams appeared in 7 games for the Giants, with 2 hits and 4 walks in 14 plate appearances.

Second Stint with Rockies
On November 10, 2015, Williams signed as a free agent with the Colorado Rockies.

Pittsburgh Pirates
He elected free agency on November 6, 2017. On December 24, 2017, Williams resigned a minor league deal with the Pittsburgh Pirates. He became a free agent after the 2018 season.