‘‘His broad set of experiences, and exceptional leadership skills, make him the ideal person to lead our team,’’ Cherington said in the news release. ‘‘I have known him in various capacities throughout my career, and I hold him in the highest regard as a baseball man and as a person.’’
Aviles, 31, is a career .277 hitter who played 136 games for the Red Sox in 2012, mostly at shortstop.
Carpenter, 27, is 1-5 with one save and a 5.70 ERA over 67 career relief appearances with the Astros and Blue Jays. He appeared in 33 games in 2012, 30 with the Astros before being sent to the Blue Jays in a 10-player trade on July 20; he also made 23 minor-league appearances last season.
Originally a catcher, Carpenter converted to pitching in 2008.