From Brooks to Tiger, the biggest questions from the PGA

FARMINGDALE, N.Y. -- Leading into the PGA Championship, one player was the topic of conversation. That would be Tiger Woods. Once play began, one player was the topic of conversation: Brooks Koepka.

So, after watching Koepka defend his PGA Championship for his fourth major in his past eight tries, it's fair to ask what's his ceiling? And what to expect from Tiger going forward -- more like what we saw at the Masters, or more like what we saw at the PGA?

Our experts both look back on the PGA and into the future:

1. Brooks Koepka threw it out there at the beginning of this week that "double digits" was in play for him for career majors.