The big news around baseball this week was news about Sinclair Broadcast Group finalizing the purchase from Disney of the rights to a number of regional sports networks. What does this mean for the average baseball fan? With a lot of the coverage getting significantly slanted into political discourse, I thought Sinclair as the topic of my Starting 9 would be an excellent match this week. Taking the mound: Sinclair’s origins Sinclair Broadcasting Group has company history dating back over 60 years. Julian Sinclair Smith, who is the source of the “Sinclair” portion of the name, was an electrical engineer who got together a group of shareholders to form a…