According to a report by Sports Hochi, the Tokyo Olympic Organising Committee is planning to select Yokohama Stadium as the main venue for baseball and softball. The committee is expected to submit a proposal to the Yokohama Bay Stars and the NPB before the end of the month. Other stadiums were considered, like Tokyo Dome, QVC Marine Field, and Jingu Stadium, but the committee felt that Yokohama Stadium was the easiest to secure and access.
Tokyo Dome was a top candidate because of it offered protection from rain, but it would be difficult to secure because of the many public attractions around the stadium. QVC Marine Field was not high on the list because Chiba is already hosting fencing, wrestling, and Taekwondo. And Jingu Stadium is already scheduled to be closed to the general public during the Olympics.
Yokohama Stadium is an ideal candidate, but not one without its own problems. The stadium relies on advertising to make a profit. Stadium officials may not easily agree to taking down all the advertisements for two reasons: the cost and time it would take to remove and then re-post the advertisements and the potential risk of losing clients that sign agreements in yearly blocks.
Source: Sports Hochi 7/5/2016
[UPDATE 7/7 @ 1:35am]
A preliminary decision on the venue for baseball/softball could be made during a Tokyo Olympic Board of Directors meeting on July 25.
The Bay Stars have not yet received a proposal. They are open to the idea since they feel it could help develop the stadium’s brand image.
The World Baseball Softball Confederation (WBSC) is expected to visit the stadium some time next.
[UPDATE 7/15 @ 3:16am]
WBSC officials visited Yokohama Stadium on July 14. Stadium and Yokohama city staff spent about an hour giving them a tour of the stadium.
Source: Sanspo 7/14/2016