» September 9, 1911: Red Sox rookie Buck O'Brien shuts out the A's, 2–0, in his first major league start.
» September 11, 1911: In his first ML start, Red Sox pitcher Buck O'Brien shuts out the Athletics, 2–0.
» September 16, 1911: Boston's Smoky Joe Wood and rookie Buck O'Brien toss back-to-back shutouts to beat Cleveland. Wood wins 6–0 and O'Brien follow with a 3–0 win. O'Brien, who relieved in his last appearance, will finish all of his five starts going, 5–1.
» April 20, 1912: The Boston Red Sox open in the new Fenway Park with a 7–6, 11-inning win over the New York Yankees before 27,000 in the lidlifter of two games. Spitballer Bucky O'Brien and Sea Lion Hall top Jumbo Jim Vaughn, handing the Yankees their 6th straight loss.
» October 14, 1912: The Giants come out swinging against Bucky O'Brien: four singles, two doubles, three stolen bases, and a balk produce five runs. New York's Rube Marquard gives up two in the 2nd, and that's all the scoring for the day.