Red Sox confident in Marcelo Mayer’s ability to handle switch to new position  MassLiveMarcelo Mayer ready to play second base when Red Sox need him to  The Boston GlobeRed Sox Infielder Shares Thoughts On Moving To New Position  NESNRed Sox lineup: Marcelo Mayer makes MLB debut at second base  MassLiveMarcelo Mayer looks calm, cool and collected in the Majors  Yahoo Sports