Preparations for the second part of the inaugural U.S. National Team Middle School Bowl Game Series kicked off on Wednesday at the University of Texas-Arlington, as players met as position groups and practiced for the first time.

On Sunday, following four days of practices and scrimmages, the 289 participants as part of six teams will take the field at The Star in Frisco, headquarters of the Dallas Cowboys. 

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Here's Sunday's game schedule:

U-14 Pride vs. U-14 Courage, 9 a.m. Central Time, 10 a.m. Eastern

U-14 Stars vs. U-14 Stripes, 12 p.m. CT, 1 p.m. ET

U-15 Stars vs. U-15 Stripes, 3 p.m. CT, 4 p.m. ET

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Here's a look at the rosters: