Jun 13, 2018: Dallas Cowboys quarterback Dak Prescott #4 is in shotgun formation behind Dallas Cowboys offensive tackle La'el Collins #71, Dallas Cowboys guard Zack Martin #70, Dallas Cowboys center Travis Frederick #72, Dallas Cowboys guard Connor Williams #52 work out during mandatory training camp at The Star in Frisco, TX Albert Pena/CSM

- Image ID: P215RT
Jun 13, 2018: Dallas Cowboys quarterback Dak Prescott #4 is in shotgun formation behind Dallas Cowboys offensive tackle La'el Collins #71, Dallas Cowboys guard Zack Martin #70, Dallas Cowboys center Travis Frederick #72, Dallas Cowboys guard Connor Williams #52 work out during mandatory training camp at The Star in Frisco, TX Albert Pena/CSM
Cal Sport Media / Alamy Stock Photo
Image ID: P215RT

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