The Mariners bolstered their organizational depth Monday by claiming minor-league journeyman Carlos Rivero, a utility player, on waivers from Boston.
Rivero, 26, is a veteran of nine minor-league seasons with four clubs and made his big-league debut this season by going 4-for-7 in four games for the Red Sox.
A right-handed hitter, Rivero spent most of the season at Double-A Portland and Triple-A Pawtucket. He batted .264 in 105 games with a .324 on-base percentage and a .379 slugging percentage.
Rivero previously spent time in the Cleveland, Philadelphia and Washington organizations. He played most shortstop early in his career but spent this season at third base and left field.
The move leaves five openings on the Mariners’ 40-man roster.
Rivero is batting .313 (20-for-64) for the Lara Cardinals in his native Venezuela. He has six homers and 11 RBIs in 17 games.