(Miami, FL) - The Minnesota Twins are bolstering their bullpen.

They acquired relief pitcher Sam Dyson from the San Francisco Giants at Wednesday's trade deadline in exchange for three prospects.

Dyson is 4-1 with a 2.47 earned run average in 49 appearances this season. He has 47 strikeouts and seven walks in 51 innings of work.

The Twins added reliever Sergio Romo last weekend.