Generate a Midjourney prompt in English for an epic image featuring the American football player Brock Purdy. Outline the key details that should be depicted in the image, emphasizing the characteristics that make Purdy stand out. Include elements such as his dynamic playing style, team colors, any iconic moments, or specific actions that capture the essence of his presence on the field. Encourage the artist to bring out the realism and intensity in portraying Brock Purdy, ensuring that the image reflects the excitement and impact associated with this remarkable football player.