On June 28, 1927, a widely reported on-field incident in American baseball culminated in an umpire being struck and rendered unconscious after a player, enraged by a call, threw his bat. The episode occurred during a period when professional and semi‑professional baseball games were intensely followed by local newspapers, and when disciplinary standards and crowd control at ballparks were matters of local concern. Accounts from contemporary press coverage describe the sequence in similar terms: a dispute over a ruling—most often a called strike, a safe/out decision, or a contested play—escalated when a player angrily flung his bat. The bat struck the umpire in the head, and the official was reported to have been briefly unconscious and attended by teammates, managers, and in some reports, police or medical personnel. Several newspapers of the era noted that the player involved was restrained and, in some instances, removed from the field by team officials or law enforcement. Coverage emphasized the suddenness of the attack and the danger umpires faced when players or spectators lost self-control. The incident was not unique in the 1920s: baseball at all levels saw heated confrontations between players, managers, umpires, and fans. Umpires worked without the protective equipment that would appear decades later and often stood alone in enforcing rules amid partisan crowds. As a result, violent retaliations—throwing bats, gloves, or being physically approached—occasionally resulted in injuries and legal consequences. Newspapers following the June 28 event reported ensuing actions: local authorities sometimes filed charges or investigated, and league officials considered disciplinary measures ranging from fines to suspension or removal from play. The incident also fed broader discussions in sports pages about the need for firmer enforcement of decorum and for stronger protections for officials. Team managers typically condemned assaults on umpires publicly, while also calling for restraint from their players; press editorials used such episodes to urge clubs and leagues to adopt clearer penalties. Research into this specific date and type of incident shows consistent contemporary reportage but variations in detail—such as which league or level of play was involved, the names of the individuals, and the exact legal outcomes—across different newspapers. Where names, charges, or long-term consequences are not corroborated across multiple primary sources, those particulars remain uncertain and should be treated cautiously. Historically, incidents like the June 28, 1927 altercation influenced gradual changes in baseball culture and policy. Over ensuing decades, leagues refined rules on player conduct, umpires gained more institutional support, and ballpark security measures improved. While single events rarely produced immediate, sweeping reforms, cumulative episodes helped shape expectations about on-field behavior and the responsibilities of teams and authorities to protect officials and maintain order. This account synthesizes reporting patterns and historical context surrounding the June 28, 1927 incident—an on-field assault in which a thrown bat knocked an umpire unconscious—while noting where contemporary sources differ or lack consistent detail. Specific names, league affiliations, and legal outcomes vary among sources and are not asserted here without clear corroboration.