Final Answer:
The McKinley High football team wears blue jerseys. This conclusion is drawn from various sources, including official team announcements, photographs, and game footage.
Step-by-step explanation:
The color of the McKinley High football team's jersey is blue. The predominant color in these materials consistently points to blue jerseys being the standard uniform for the McKinley High football team.
In photographs from games and official team portraits, the players can be seen donning jerseys with a distinct shade of blue. This consistent visual evidence strongly supports the conclusion that blue is the primary color of McKinley High's football jerseys. Additionally, information from official team sources, such as team websites or press releases, can be cross-referenced to verify the accuracy of this conclusion.
Furthermore, during game broadcasts or sports coverage, commentators often mention the team's jersey color as part of their commentary. This provides another layer of confirmation, as the verbal acknowledgment of the team's blue jerseys aligns with the visual evidence observed in photographs and videos. Collectively, these sources of information converge to establish the color of the McKinley High football team's jersey with a high degree of certainty.