Comment by kahirsch

For those curious about what "Hi-Res" meant at the time, there are some screenshots:

http://www.apple2games.com/wiki/Hi-Res_Soccer

http://www.apple2games.com/wiki/Hi-Res_Football

There's also a scan of one of the manuals, without screenshots: https://archive.org/stream/Hi-Res_Football#page/n0/mode/1up