There have been 9 BYU players drafted during Bronco's tenure. The majority were Crowton recruits. BYU has had two players drafted in the last five years.
Utah St has had 8 players drafted in the last 5 years.
Utah has had 25 drafted under Whitt and 11 in the last 5 years.
Boise St has had 14 drafted in the last 5 years.
You don't need a crystal ball to see that BYU is bad at producing NFL talent. A pair of eyes and basic math skills will suffice. Eyes optional.