The Oracle of Baseball enables you to find the link between two players using the “six degrees” concept of who they played with.
Here’s how to connect Babe Ruth to Manny Machado, for example, through five other players.
Retrosheet also has cool baseball information – decades of box scores. Here‘s the box score for the first game I saw in person when the New York Yankees defeated the Kansas City Athletics in 1961. There were only 17,000 people at Yankee Stadium on a Sunday afternoon.