Dmitri Hvorostovsky and Luca Salsi will Rodrigo, the Marquis of Posa instead, with Hvorostovsky taking the March 30, April 2, 6, 11, 18, and 25. Salsi sings on April 15 and 22. These are Salsi's first performances of Posa.
Also from the press release:
Yannick Nézet-Séguin conducts this season’s performances of Don Carlo, which also star Yonghoon Lee and Ricardo Tamura in the title role, Barbara Frittoli and Lianna Haroutounian (in her Met debut) as Elisabeth de Valois, Ekaterina Gubanova and Nadia Krasteva (in her Met debut) as Eboli, Ferruccio Furlanetto as Philip II, and James Morris as the Grand Inquisitor.I am telling you to go see Lianna Haroutounian, who will sing rings around Frittoli. I also want to hear reports about Krasteva, who will be Eboli in the June, 2016, performances of Don Carlo in San Francisco.