This comes as no surprise to Rockies fans as it was a no-brainer going into the 2018 season but Jon Gray will start on Opening Day against the Diamondbacks this Thursday in Phoenix.
Jon Gray will start Opening Day followed by Tyler Anderson and German Marquez, per Bud Black
— BSN Rockies (@BSNRockies) March 27, 2018
Along with Gray being the ace, Tyler Anderson and German Marquez will follow in that order. That only leaves two spots open on the rotation for the Rockies. As we are only a couple days out from Opening Day, though, the focus will be on Jon Gray.