UPDATED AT 6:42 P.M.: Yunesky Maya will indeed start Tuesday for the Nationals, MASN's Debbi Taylor reported a few minutes ago on Nats Xtra. The right-hander, making his major league debut, will face the Mets, who will likely send Johan Santana to the mound.
Manager Jim Riggleman said this afternoon that Scott Olsen, who has an 8.72 ERA and a 1-6 record since he returned from the disabled list, will head to the bullpen and be available to pitch in relief tomorrow. That likely clears the way for Yunesky Maya, the Cuban right-hander the Nationals signed at the end of July, to take Olsen's place in the rotation on Tuesday.
Maya allowed one run in 5 2/3 innings at Triple-A Syracuse on Wednesday, and was expected to be called up after the end of the Chiefs' season. He would be able to pitch Tuesday on an extra day's rest.
Olsen, who is getting an incentive bonus with each start he makes, could start again this season, manager Jim Riggleman said, but the Nationals are hoping to get the left-hander straightened out in relief while taking a long look at Maya.
Kristen Hudak contributed reporting from Pittsburgh