Rich Hill once took the mound at Wrigley Field for his MLB debut. That was a long time ago. He’ll ascend that same mound again a little more than 20 years later on Tuesday night, and it’s not to throw out a ceremonial first pitch.

Pitcher Rich Hill makes MLB history by starting for his 14th different team, the Kansas City Royals. The veteran is the oldest player in MLB.

That's because of who is starting the game for the Royals: It's 45-year-old left-handed pitcher Rich Hill, who was added to Kansas City's 40-man roster on Tuesday and recalled to make the start. History nuts will love all the amazing things about Hill's start for the Royals. Here are seven fascinating nuggets from the Royals and others.