On October 27, 2011, it was announced that the stadium would undergo an $18 million expansion and renovation that will bring fixed seating capacity up to 7,500.

In November 2012, the Hamilton Tiger-Cats announced they had reached a memorandum of understanding with the university to use Alumni Stadium as their temporary home in 2013 while Tim Hortons Field was constructed.

The stadium underwent a temporary expansion to accommodate the Canadian Football League (CFL) team, with seating for approximately 13,000 spectators.

[2] The Tiger-Cats played 9 of 10 home games at Alumni Stadium during their 2013 season, including the 2013 East Final against the Montreal Alouettes, which they won in overtime 19–16.

The two largest meeting rooms and the roof top double as licensed, game-day viewing areas for alumni.