On Saturday afternoon, a musician with songs you know was hanging out with athletes you might not, going so far as to wear their jersey. It was customized, crisp and white, emblazoned with a No. 7 and a name on the back: Maestro.



The groundbreaking Toronto hip-hop artist — once known commonly as Maestro Fresh Wes — is also an assistant coach with his son’s youth football team, and a fan of the Argonauts. He joined a crowd of hundreds at York University for the team’s annual training camp fan day festivities.



“I appreciate being from Toronto,” he said. “I appreciate my city, and I definitely appreciate supporting my sports teams.”



That is not, the Argos have learned, a universal sentiment.



Toronto had the lowest average attendance in the CFL last year, even after it had escaped Rogers Centre for the anticipated renewal of BMO Field. The Argos drew 16,380 in their first season outdoors,...