What fifteen players for Mayo start on the senior team?

As of my last update, the specific starting lineup for the Mayo senior football team can vary from match to match and throughout the season. Typically, the squad includes key players such as Aidan O'Shea, Cillian O'Connor, and Lee Keegan, among others. For the most accurate and up-to-date information, it's best to check the latest match reports or the official Mayo GAA website.