Middlesbrough look as though they face a nervous wait for news on the fitness of midfielder Riley McGree. The Australian was one of those ‘Boro players called up by their national teams for the ongoing international break. However, that stint with his country has not started well for the 25-year-old. On Thursday morning, McGree was named in the starting lineup for Australia 2026 World Cup qualifier with Lebanon. In the end though, the Middlesbrough man lasted just 16 minutes before being forced off due to injury. Now, some more details have emerged about the situation that led to the early exi…