Final answer:
Option 3, 'Thanks! I am excited to play you!' is the most positive statement that promotes sportsmanship and positivity in a competition setting.
Step-by-step explanation:
The question asks what a more positive statement would have been for a person on team red to make. Among the options provided, the most positive and sportsmanlike statement is option 3: “Thanks! I am excited to play you!” This statement promotes good sportsmanship by expressing gratitude and enthusiasm about the opportunity to play the game, regardless of one's skill level. It also sets a friendly tone between competitors, which is a key aspect of a positive sporting experience.