‘Sunday’s matchup against the Buffalo Bills is a huge deal for the Eagles. And following suit of previous years, the pressure will default to McNabb, who’s never had the luxury of a big-time supporting cast. That’s part of the reason he’s so highly regarded. Such is Donovan’s double-edged sword of success — the good news is that he did it without anybody else before, the bad news is that … he did it without anybody else before.’