The Seattle Mariners acquired left-handed reliever Jose A. Ferrer in a trade with the Washington Nationals on Saturday.

Seattle sent catcher Harry Ford and minor league pitcher Isaac Lyon to Washington for Ferrer, who set career highs with 11 saves and 21 holds in 72 appearances this year.

The 22-year-old Ford is one of baseball’s top prospects, but the Mariners already have All-Star slugger Cal Raleigh at catcher. Ford made his major league debut in September, going 1 for 6 in eight games.

Seattle won the AL West this year for the first time since 2001. It made it to the AL Championship Series before it was eliminated by Toronto in seven games.

The addition of the 25-year-old Ferrer gives the Mariners another big arm in front of closer Andrés Muñoz.

Ferrer had a 4.48 ERA, 71 strikeou

See Full Page