The Orioles are expecting traffic to be heavier than normal in the next few weeks because of the grand opening of the Horseshoe Casino Baltimore on Tuesday. The club will communicate with fans about any potential problems, Orioles vice president of communications and marketing Greg Bader said last week. … The Orioles' one-hit effort Sunday in Chicago was the second time this season that they had just one hit. It also happened Aug. 6 in Toronto, marking the first season they have had two games of one hit or fewer since 1991. … First baseman Steve Pearce tied a career high by hitting successfully in his eighth straight game Monday. Through Sunday, he was batting .333 (10-for-30) with eight extra-base hits (five doubles, three homers) since the beginning of his streak. Pearce had two hits in his first three at-bats Monday, including a solo home run in the third inning. … When Orioles right-hander Chris Tillman, who started Monday, won his last start Aug. 19, he became the club's first pitcher to post consecutive seasons of 10 or more wins since right-hander Jeremy Guthrie won 10 or more in three straight seasons from 2008-10. … Triple-A Norfolk manager Ron Johnson and pitching coach Mike Griffin likely will join the Orioles when they return from their road trip to Tampa Bay and Boston next month. … Vice Adm. Walter "Ted" Carter Jr., the new superintendent of the U.S. Naval Academy, threw out the ceremonial first pitch Monday. …Norfolk right-hander Mike Wright, who came one strike away from throwing a no-hitter Thursday at Durham, was named the International League Pitcher of the Week. … High-A Frederick left-hander Steven Brault was named the Carolina League Pitcher of the Week. He threw six shutout innings last Thursday at Carolina, allowing just two base runners.