Lionel Messi’s farewell international appearance for Argentina against Benin on October 6 at Estadio Monumental shapes trader views on his minutes in this low-stakes friendly. At 39 and following the 2026 World Cup final loss to Spain, Messi starts as captain in a side expected to dominate the 93rd-ranked opponent, yet his age and the celebratory occasion introduce uncertainty around full 90-minute exposure. Confirmed lineup inclusion alongside returning veterans like De Paul and Lo Celso, combined with coach Lionel Scaloni’s history of managing workloads in friendlies, keeps the 90-minute and 86-89 bands tightly contested around 56-58% implied probability. Recent form shows Messi completing high-minute games with Inter Miami, but the emotional send-off and potential late substitutions for younger talents like Álvarez and Fernández sustain competitive pricing across the 71-90 range.