请问spread quarterback是什么意思？

simonice610

这个词在下面这段文字中提到：
What he needs to work on: Mariota has exceeded expectations during his transition from spread quarterback to traditional signal caller. He shows a strong command of the offense and exhibits excellent poise managing the game from the pocket. If he can continue to work through the rough parts of his game while understanding the defense's intentions, he could have a strong rookie season as the Titans' franchise player.

谢谢

S.R.911

感觉应该是从运动型四分卫（RG3，WR3）向领袖型四分卫（PM18、AR、Luck）转型的意思。

big_blue

指的是mariota在大学时候的进攻体系是spread offense