(Photo credit: Yukihito Taguchi-Imagn Images) With Cristiano Ronaldo set to be 45 years old when Portugal hosts the 2030 World Cup alongside Spain and Morocco, one might think it's unlikely that he'll be on the squad for what would be his seventh World Cup. But don't tell that to Portugal's manager Roberto Martinez. 'No one should doubt that (he could play in 2030),' Martinez said Thursday in an appea