The team also came to terms with pitchers Blake Beavan, Lucas Luetge and Chance Ruffin, infielder Francisco Martinez, and outfielders Julio Morban, Carlos Peguero, Eric Thames and Casper Wells.
Seager hit .259 last season and led the team in both home runs (20) and RBI (86). Smoak batted .217, with 19 home runs and 51 RBI.
The Mariners have reached contract terms with 24 of the 40 players on their 40-man roster. All 40 players will be signed or their contracts renewed by March 11, the team said in a press release.
Pitchers and catchers report to spring training in Peoria, Ariz., on Feb. 12. The first workout is scheduled for the following day. The first full-squad workout is Feb. 16.
More Sports Headlines
Snohomish mixed martial artist returns to her first love Mariners beat Twins 4-3 in 11 innings Charles scores 29 points, Liberty beat Storm 78-62 Park wins Women's British Open, captures 4th different major Perry wins 2nd straight Champions Tour's 3M Championship Merritt shoots 67 to win Quicken Loans National by 3 shots Triple Crown winner American Pharoah wins $1.75 million Haskell Invitational Bills' Ryan names Incognito starting left guard
Our new comment system is not supported in IE 7. Please upgrade your browser here.