Teams from two of Europe's top soccer leagues will face off in an exhibition match July 31 at M&T Bank Stadium.
Manchester City from the Premier League (English) and Inter Milan from the Serie A League (Italian) will meet weeks after soccer's biggest event, the World Cup, ends July 11 in South Africa.
Organizers will hold a news conference Monday at the Ravens' stadium to announce the game.
Last summer's friendly between AC Milan and Chelsea at M&T Bank Stadium was held in front of a sold-out crowd of 71,000.
Manchester City is in fifth place in the Premier League. Inter Milan leads Serie A.
After last summer's match between AC Milan and Chelsea, the momentum to increase Baltimore's soccer presence included the approval of a $100,000 feasibility study to examine the financial viability of building a soccer stadium.
It was announced in January that two Maryland sports facilities, M&T Bank Stadium and FedEx Field in Landover, will be included in the U.S. bid to host a future FIFA World Cup, either 2018 or 2022.
World soccer officials will decide in December which countries will host the games in 2018 and 2022. The 2010 World Cup will be held in South Africa; the 2014 Cup will be in Brazil.