Marufuji and Ishimori matches in ROH announced

ROH has announced the matches involving Pro Wrestling NOAH's Naomichi Marufuji and junior heayweight champion Taiji Ishimori for 5/4 and 5/5 in Toronto:

For the Border Wars iPPV show, Ishimori faces Eddie Edwards and Marufuji faces Davey Richards.  For the TV taping the next day, Ishimori faces Roderick Strong and Marufuji faces Michael Elgin.   

What do you consider the main event at WrestleMania?