The semifinal winners met in the 2019 United Bowl on the weekend of July 13.
[1] In August 2018, the IFL announced the first 2019 expansion team, the Tucson Sugar Skulls, owned by Arizona Rattlers' head coach Kevin Guy.
On September 7, the IFL announced the Quad City Steamwheelers had joined the league from Champions Indoor Football (CIF).
[2] On October 5, the Bismarck Bucks of the CIF also announced their move to the IFL.
[4] In November 2018, Choi also launched a second 2019 IFL expansion team called the San Diego Strike Force.