Astros sign Quintero
Quintero played in a career-high 88 games for Houston last season and hit .234 with four home runs and 20 RBIs.
The 31-year-old has hit .232 with 13 homers and 69 RBIs in 300 career games with San Diego and Houston since 2003. He has been in the Astros' organization since 2005.
Quintero was the backup to Jason Castro last season.