The Lansing Lugnuts announced the following roster changes today, in conjunction with the Oakland Athletics: - Pitcher Dalton Sawyer and infielder/outfielder Elvis Peralta, Jr., promoted to Double-A Midland - Pitchers Jack Owen and Kyle Virbitsky assigned to the Lugnuts to begin their professional careers Sawyer, 27, had made one appearance

The Lansing Lugnuts announced the following roster changes today, in conjunction with the Oakland Athletics: - Infielder/Outfielder Elvis Peralta, Jr. promoted to Triple-A Las Vegas - Outfielder D.J. Lee received from Rookie-level ACL Athletics - Outfielder Michael Guldberg placed on Injured List Peralta, Jr., 24, has played shortstop, second base