» April 30, 1900: Brothers Joe, Jim, and Tom Delahanty, playing their 3rd year together with Allentown, open the Atlantic League season by banging out a family total of 11 hits for 20 bases.
» April 24, 1902: The Giants lose 8-4 to Boston when RF Jim Delahanty lets a bases loaded single skip by him and three runners score. New York scores three in the bottom of the 9th, but Boston still beats Christy Mathewson.
» April 29, 1902: Brickyard Kennedy, a member of the Brooklyn Superbas for 10 years, makes his first start as a New York Giant and shuts out his old team, 6-0, on four hits. It will be Brickyard's only win of the year and his only win as a Giant. The loser is John McMakin. The Giants also announce the release of Jim Delahanty, who hit .231 in seven games. He'll reappear in the majors in 1904 and play another 11 years.
» September 5, 1904: In Front of 37,000 fans the Giants sweep the Beaneaters, beating Boston 6-1 and 4-3. Christy Mathewson wins the opener, beating Irv Wilhelm, and is not scored upon until the 9th when Jim Delahanty and Tom Needham triple. Red Ames wins the nitecap. Following the Giant sweep, excited fans hoist John McGraw up to carry him to the Polo Grounds field house. But McGraw gets dropped during the excitement, sustaining a sprained ankle.
» January 25, 1906: The Reds trade SS Al Bridwell to Boston (National League) for OF Jim Delahanty.
» May 15, 1906: Hooks Wiltse of the Giants becomes the first pitcher of the modern era to fan four batters in a single inning, fanning the side after the first Cincinnati batter, Jim Delahanty, in the 5th inning reaches base on Roger Bresnahan's 3rd-strike error. Wiltse also fanned the side in the 4th inning to total seven batters punched out in just two innings, the first and only time this happens. Hooks K's 12 Reds overall enroute to a victory, 4-1. However, the Giants suffer a major loss when Turkey Mike Donlin, after getting three hits, breaks his leg sliding into 2B.
» June 28, 1907: The last place Washington Nationals steal a record 13 bases off C Branch Rickey in a 16-5 win over New York. Rickey, acquired last February from the Browns, is pressed into service despite a bad shoulder because of the injury to starter Red Kleinow. Rickey's first throw to 2B ends up in right field and the subsequent tosses are not much better. He almost nips Jim Delahanty on a steal of 3B. In his eight innings, relief pitcher Lew Brockett helps Washington with a deliberate windup. Only pitcher Tom Hughes and 2B Nig Perrine are steal-less, while Hal Chase swipes one for New York.
» August 5, 1908: The Nationals' Otis Clymer and Jim Delahanty draw indefinite suspensions for abusing umpire Silk O'Loughlin in Cleveland. Delahanty, a Cleveland native, is later fined $50 and barred from the Cleveland ballpark for one year for his unbecoming conduct.
» May 15, 1911: With the score tied in the 10th inning, Boston's Smoky Joe Wood intentionally walks Ty Cobb, issuing one of two free passes the star will receive all season. Two batters later Jim Delahanty drives in Cobb for Detroit's 5–4 win. With two safeties today, Cobb starts a 40-game hit streak.
» July 13, 1911: In the 9th against the A's, Ty Cobb breaks a 7–7 tie by scoring from first on a Jim Delahanty's single. Cobb runs through coach Hughie Jennings' frantic signal to hold up and using a fadeaway slide eludes the tag of the catcher Ira Thomas. Detroit wins 8–7 to stay in first place.
» May 6, 1933: The Reds sign Jack Quinn, 49. Quinn is the oldest to ever play for the Reds. For Quinn, it is his 8th team, tying him with Jim Delahanty for most teams played for, a record that will be topped.