Steven Zachary McGuire Putnam[1] (born July 3, 1987) is an American former professional baseball pitcher.

Putnam spent most of 2012 with the Triple-A Colorado Springs Sky Sox, but did pitch in two games with the Rockies.

On April 17, 2014, Putnam's contract was purchased, and he was placed on Chicago's 25-man roster; he spent most of the season with the White Sox.

Putnam ended establishing career bests in all pitching categories, finishing with a 1.98 ERA in 54+2⁄3 innings, while also going 6-for-7 in save opportunities.

Putnam underwent Tommy John surgery in June 2017,[8] and elected free agency in December 2017.

On December 14, 2018, Putnam signed a minor league contract with the Boston Red Sox.

[10] He suffered a hamstring injury in early March 2019,[11] and spent the season on the roster of the Triple-A Pawtucket Red Sox on the injured list.