Just when the battle for professional soccer in Oklahoma City seemed to reach its peak, a clash took on a new level of intensity on Monday.

In response to a “cease and desist” letter sent by the United Soccer Leagues, a lawsuit was filed by Sold Out Strategies, Brad Lund, DeBray Ayala, Sean Jones and Donna Clark. The lawsuit against the USL is over the “Covenant Not to Compete” clause in their “Franchise Agreement.”

The lawsuit came a day before Prodigal LLC was expected to formally announce the approval of a USL team coming to Oklahoma City. A press conference is still scheduled for 2 p.m. Tuesday at the Devon Tower.

On June 17, Lund, the managing partner of Sold Out Strategies, was awarded a two-year lease plus renewal option by Oklahoma City Public Schools for Taft Stadium. Sold Out Strategies wants to bring a North American Soccer League team to the city in 2015.