Right-handed pitcher Michael Tonkin has been designated forrelease or assignment.

The Minnesota Twins announced the news following an 11-1 loss at home to the Boston Red Sox. Tonkin walked three hitters and allowed two hits and one earned run in 1 1/3 inningsof relief.

Tonkin has an0-1 record on the season with a 6.55 ERA (11.0 IP, 8 ER), 10 walks and 13 strikeouts. The Twins are expected to replace his spot on the roster before Sunday's series finale against Boston.

Tonkin has spent his entire career in the Twins organization.