Yates agreed Friday to a deal for $3,062,500, Hedges for $2.06 million and Erlin for $1.45 million.
Yates took over as closer after All-Star Brad Hand was traded to Cleveland. Yates finished with 12 saves and a 2.14 ERA while going 3-5.
Erlin was 4-7 with a 4.21 ERA in 39 appearances, including 12 starts. Hedges hit .231 with 14 homers and 37 RBIs.
San Diego outfielder Travis Jankowski agreed Thursday to a $1,165,000 salary for this year.
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