This is interesting. I’d be mildly surprised if the Yankees manage to pull it together and win the Wild Card, because as RickJay noted, they’d have to vault an awful lot of teams, and because the Mussina-Pettite-Clemens troika is only a guarantor of success if you happen to be playing baseball in 2002 or so.
But I’d be stunned, absolutely gobsmacked, if the Yankees win the American League East (barring the entire Red Sox major league roster getting suspended for steroids or something). I mean, the Yankees are 35-35 today, which means they have played 70 games. Let’s say that of their 92 remaining games, they win 60. This would be a winning percentage of .652, which would equate to about 106 wins over a full season; I see no reason to believe that this Yankee team is anything like a 106 win team, so granting a winning percentage of .650 the rest of the way is incredibly generous. It assumes that the Yankees will have basically no bad streaks for the rest of the season, starting now. But let’s assume it anyway.
This extremely generous forecast would give them 95 wins at season’s end. As of this morning, the Boston Red Sox have 46 wins with 91 games to play. To finish behind the Yankees with 94 wins, the Red Sox would have to win 48 games the rest of the way, which translates to a .527 winning percentage. So, in other words, even if everything breaks right for the Yankees in terms of their own performance - no injuries, no breakdowns, no bad streaks, no bad luck - even if they play about as well as can be reasonably hoped for the rest of the season - the Red Sox would still have to turn into the Colorado Rockies, winning percentage-wise, in order for the Yankees to win the division.
I just can’t see why this would happen. The Red Sox aren’t a weak division leader; they have the best record in baseball through very nearly half a season. In the entire sport, only Detroit has a better run differential and only Oakland has generated better pitching. What indicators do you see that suggest that the Red Sox will not only be worse in the second half, but regress so incredibly dramatically?