» May 6, 1903: The White Stockings commit 12 errors, and the Tigers commit 6, for a modern major-league record by two teams in one game. Sox shortstop Lee Tannehill leads the way with four errors, while 3rd sacker Frank Isbell and Patsy Flaherty check in with three apiece. Trailing 9-7 in the 9th inning, Chicago salvages a 10-9 victory for Flaherty over Mal Eason.
» June 10, 1904:
It is Ladies Day in Boston, and the Pirates start Patsy Flaherty, recently re-acquired from the White Sox, where he led the AL in losses in 1903 (25). Patsy wins his first start with the help of Honus Wagner, who is 3-for-5 with two doubles, three runs, and two steals.
» June 17, 1904: In a swap greatly criticized in Boston, the Pilgrims send OF Patsy Dougherty to the Highlanders for weak-hitting rookie Bob Unglaub, who played in just six games before being hospitalized with blood poisoning. Dougherty is not the only Patsy changing uniforms this month; For $750, the White Sox release Patsy Flaherty (1-2) to Pittsburgh where he will win 19 more games. This will be his only winning season, but his feat of winning 20 games while pitching for two teams in a season will be matched only by Joe McGinnity, Hank Borowy and Rick Sutcliffe.
» April 15, 1905:
At Cincinnati, the Reds lose to the Pirates, 9-4, with Pat Flaherty beating Jack Harper.
» June 7, 1905: At Pittsburgh, Christy Mathewson beats Patsy Flaherty, 5–3, for the Giants. Matty drives in an insurance run in the 9th with his 2nd hit of the game.
» December 11, 1906:
In a good trade for Boston (NL), they acquire lefty Patsy Flaherty, 2B Claude Ritchey, and OF Ginger Beaumont from the Pirates for good-fielding 2B Ed Abbaticchio. Abbaticchio will lead the NL in fielding in 1908, but Ritchey will lead in '07, and the other pair will be mainstays.
» April 22, 1907: At Boston, New York's Christy Mathewson gives up eight hits, but no runs, in shutting down Boston, 1-0. Bill Dahlen singles home the winner off Patsy Flaherty in the 9th.
» May 24, 1907: At the Polo Grounds, Boston pitcher Pat Flaherty clubs the first grand slam by an NL pitcher when he connects in the 2nd inning off Hooks Wiltse of the Giants.
» June 23, 1908: The Braves and Giants split a doubleheader a the Polo Grounds, with the Giant taking the opener 6-3 and the Braves winning the nitecap, 9-7. Christy Mathewson preserves Joe McGinnity's win in game 1, pitching a perfect 9th inning; in the nitecap, he relieves Dummy Taylor in the 9th with the score 7-7, but the Braves score twice for the win. Fred Merkle cracks his 1st ML homer, against Patsy Flaherty, in the nitecap.
» April 25, 1911:
The Giants beat Boston, 3–1, with Christy Mathewson outpitching Patsy Flaherty.