Boom is underrated. No, he's not Whit. But very few LT's are.
Boom is a very good pass protector. So-so but not terrible in run blocking.
He played many games as the starting LT last year and you just never heard his name called.
Fans just seem to want the back ups to be as good as the starters or they worry.
You don't ever have to worry with Noteboom. He'll do his job well.