Chicago Cubs: A look at five likely free agent additions

May 29, 2014; Phoenix, AZ, USA; Cincinnati Reds relief pitcher

(45) throws during the eighth inning against the Arizona Diamondbacks at Chase Field. Mandatory Credit: Matt Kartozian-USA TODAY Sports

Sean Marshall (DNP in 2015)

In 2015, the Cubs never had a true left-handed relief specialist. Clayton Richard and Travis Wood filled in nicely for the team during the stretch run and postseason and I definitely can see the Cubs bringing Richard back next year as a swingman starter/reliever. However, Marshall would truly give the Cubs a dominant lefty in the back-end of the bullpen.

Marshall pitched for the Cubs from 2006-2011 he was traded to the Cincinnati Reds in exchange for Wood, Dave Sappelt, and Ronald Torreyes.

From 2010-2012, his ERA was below 3.00, and in 16 games with the Reds in 2013, his ERA was 1.74. However, Marshall only pitched 15 games in 2014 and missed 2015 completely, so clearly injuries have become an issue.

Signing him would be a low-risk, high reward situation for the Cubs, similar to the deal Ryan Madson signed with the Kansas City Royals back in January.