As of today these are your choices:
Derek Carr 6'3", 215
Nathan Peterman 6'2", 225
Jake Haener 6'1", 200
Spencer Rattler 6'0", 211
I'm not concerned about size as much as I am about being smart. The ability to play the position at a high level is all that really matters.
Some may disagree but size isn't as important as using the tools you have to work with to the best of your ability. 🛠️