The Astros continued to rebuild their pitching options Tuesday with the signing of free agent righthander Chad Paronto. The 32-year-old has signed a one-year deal worth $500,000 plus incentives. Paronto was 3-1 with a 3.57 ERA in 41 appearances for Atlanta last season, collecting one save. The former Baltimore and Cleveland reliever has a career record of 6-11 with a 4.00 ERA in 165 appearances.