Neither will play a single match this week in the Ryder Cup at Bethpage Black.

But make no mistake: There’s competition between captains.

As much as this week is U.S. vs. Europe, it also is Keegan Bradley vs. Luke Donald.

I’ve covered the past 13 Ryder Cups for The Post, dating back to 1997 at Valderrama in Spain and, more often than not, the performance of captains comes into play, influencing the final result.