The Cubs want to keep the two right-handers on their regular schedule. With the off-day Monday, Jake Arrieta will be pushed back and open the series in San Diego on May 22 against the Padres.
• Start times for the Cubs-Cardinals day-night makeup doubleheader on Aug. 30 at Busch Stadium will be 1:15 p.m. CT and 7:15 p.m.. The extra game is necessary after Wednesday's contest was postponed because of rain.
Carrie Muskat is a reporter for MLB.com. She writes a blog, Muskat Ramblings, and you can follow her on Twitter @CarrieMuskat. This story was not subject to the approval of Major League Baseball or its clubs.