Dave McNally is the first pitcher to hit a grandslam in the World Series - This Day In Baseball

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Two Baltimore Orioles pitchers hit grand slams in same postseason

53 Dave Mcnally” Baseball Stock Photos, High-Res Pictures, and

Jerry Grote, New York Mets catcher on 1969 championship team, dies

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World Series grand slam by Billings pitcher Dave McNally still a

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53 Dave Mcnally” Baseball Stock Photos, High-Res Pictures, and

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World Series grand slam by Billings pitcher Dave McNally still a

October 13, 1970: Dave McNally hits grand slam as Orioles defeat