in 2009 New Yankee stadium
In 2009, Yankee Stadium yielded 237 home runs, which led the major leagues..
Mickey Mantle hit the most home runs at the old Yankee Stadium with 266.
The new Yankee stadium
I would say Yankee Stadium (2009)
I am not sure which stadium produced the most and have been unsuccessful in finding the answer online, but I do know Yankee Stadium was leading the pace most of the season and completed the 2009 regular season with 237.
Goose Goslin holds the record for most home runs hit at Yankee Stadium by an opposing player (32).
Most home runs in one stadium — 303 at Coors Field (Colorado Rockies) in 1999. I bet new Yankee Stadium will shatter that (110 to date!) THE AWNSER IS FENWAY PARK AND YANKEE STADIUM THEY ARE TIED
The new Yankee Stadium opened in 2009, the year that New York won its most recent World Series championship.