Nationals designated LHP Tyler Robertson for assignment.
Nationals claimed LHP Tyler Robertson off waivers from the Twins, assigned him to Triple-A Syracuse.
Twins designated LHP Tyler Robertson for assignment.
Twins optioned LHP Tyler Robertson to Triple-A Rochester.
Twins recalled LHP Tyler Robertson from Triple-A Rochester.
The Twins are planning to recall Tyler Robertson from Triple-A Rochester if Matt Capps is placed on the disabled list, as expected, according to Joe Christensen of the Minneapolis Star-Tribune.
Twins purchased the contract of LHP Tyler Robertson from Double-A New Britain.
Tyler Robertson threw four scoreless innings Friday in his return to the rotation at Single-A Fort Myers.
Tyler Robertson threw seven scoreless innings Tuesday for Single-A Fort Myers.