» June 19, 1880: Cleveland's Jack Glasscock goes 5-for-5 with two doubles to lead a 27-hit attack against Troy in an 18–6 rout.
» January 26, 1887: In Wheeling, WV, Jack Glasscock and Joe Miller are locked up overnight on drunk and disorderly charges after a scuffle with police at the local opera house.
» November 25, 1889: Jack Glasscock, claiming that his pledge to the Brotherhood does not constitute a binding contract, signs with the Indianapolis National League club, thus becoming the first "double jumper."
» December 18, 1889: The Brotherhood meets and expels members who have signed National League contracts, including Jack Glasscock, John Clarkson, Kid Gleason, and George Miller. Among those expelled, Jake Beckley, Joe Mulvey, and Ed Delahanty would eventually jump back to the PL and be reinstated.
» May 5, 1894: In the 5th inning of the St. Louis–Pittsburgh game, Pirate SS Jack Glasscock, thinking opposing Browns P Emerson "Pink" Hawley deliberately threw at him, hurls his bat at the pitcher and then confronts Hawley on the mound. Glasscock remains in the game and helps Pittsburgh to a hard-fought 6–5 victory