Baltimore trades Luis Ayala to Atlanta for Chris Jones. Ayala was assigned to AA Mississippi, then was activated by Atlanta.

Baltimore sends Rob Delaney from AAA Norfolk at A Frederick, then brings him back to AAA Norfolk.

Baltimore sends Allan de San Miguel from Class A Frederick to short-season Aberdeen.

Baltimore claims Alex Burnett off waivers from Toronto and options him to AAA Norfolk.

Boston sends David Ortiz to Pawtucket on a rehab assignment.

Cincinnati assigns Ray Chang to AAA Louisville.

Dodgers sign Sean Burroughs to a minor league contract.

Mets transfer Johan Santana from the fifteen-day disabled list to the sixty-day disabled list.

Mets sign Sean Henn to a minor league contract.

Pittsburgh promotes Kyle Waldrop from short-season Jamestown to AAA Louisville.

Toronto designates Alex Burnett for assignment.

Toronto assigns Bobby Korecky to AAA Buffalo, then places him on the seven-day disabled list.