OK, next up is the brief home of the New York Giants, called the Polo Grounds when they were there, but generally called Manhattan Field for most of its existence. It's story is a bit of an odd one--the Giants leased the area and built this park but left half of the usable area unleased since they didn't need it. Then in 1890 the Players' League leased the other half and built their
own ballpark, which they called Brotherhood Park, separated from the Polo Grounds by an alley. When the PL dissolved, the NY team's owners ended up with a stake in the NL Giants and it was decided to move the Giants into Brotherhood Park, which got renamed the Polo Grounds (and which is the Polo Grounds that lasted until 1911) while the 1889 NL Polo Grounds became Manhattan Park. Clear?
Google Drive link to Polo Grounds 1889
In its Manhattan Field years, it mostly got used for track and field and amateur baseball, and especially college football. It apparently suffered the drawback (from the owners' point of view) of being impossible to seal off from spectators on the bluff, and apparently Coogan not only was willing to lease his land for two competing ballparks but also made money for himself by charging for people to watch from overlooks and not go into the parks at all...
Most (all?) of the images I found were from the Manhattan Park period, and I used what were reported as the 1890 dimensions. I made the canvas a bit bigger than usual so I could stick Silvam's Polo Grounds in next door.

I also stuck a camera up on top of Coogan's Bluff. I tried to be historical with the information I had--I took down the 15th Avenue Viaduct (which is in the teaser post) when I realized it didn't get built until 1891 or so. The clubhouse in right field isn't quite right either, and there are references to canvas walls that I can't really place. But hopefully this is good enough for our purposes!
I'll probably try Pittsburgh 1882 next, but we'll see what actually happens!