"I do like to try to get everyone involved within the first three or four days, especially the bench players, the role-type players," he said. "They're getting consistent at-bats in Spring Training, and you don't want anyone sitting around for six or seven days and losing their edge. So we'll take a look at that."
• Right-hander Jarrod Parker, who was in line to start Opening Day before undergoing a second Tommy John surgery last week, was in the A's clubhouse Monday afternoon and included in the club's on-field introductions prior to the Opening Night game.
• Ryan Cook (shoulder) pitched an inning in a Minor League game Monday and "felt good, and that's what we're most concerned with," Melvin said. The righty reliever is still on track to return Saturday.
Jane Lee is a reporter for MLB.com. Read her blog, Major Lee-ague, and follow her on Twitter @JaneMLB. This story was not subject to the approval of Major League Baseball or its clubs.