The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Confirmed: MLB.com (published 17 August 2026) says the transfer "has been unanimously approved by the league and its owners, Major League Baseball announced on Monday"; Monday was 17 August. The vote's hour is not given, so the pin is all day.
Report of the Petco Park introduction on 24 August, saying the deal officially closed the previous Friday.[1]
Local report of the unanimous vote by conference call of the 30 owners and the $3.9 billion valuation.[1]
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