According to the Houston Astros, they have declined the 2016 option on Chad Qualls' contract, making him eligible for free agency.
The #Astros have informed RHP Chad Qualls that the club will not pick up the 2016 option on his contract.
— Houston Astros (@astros) November 3, 2015
The right-hander pitched one of the most disappointing seasons of his long career, with a 4.38 ERA over 49 relief appearances for the Astros in 2015 after serving as the club's primary closer in 2014, earning 19 saves.