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Three pitchers made multiple Opening Day starts for the Orioles. McMahon made the most Opening Day starts for the team, five, including four consecutive Opening Day starts from 1891 through 1894. Matt Kilroy was the Orioles' Opening Day starting pitcher four times, every year from 1886 to 1889. Hardie Henderson made two Opening Day starts for the Orioles, in 1884 and 1885.