Gabriel's first start will be in Week 5 when the Browns face the Vikings in London. He will be the first quarterback to make his first NFL start outside the United States, according to CBS Sports research.

LONDON -- Kevin Stefanski acknowledged Wednesday that turnovers played a big role in the switch from Joe Flacco to rookie Dillon Gabriel. The Browns, who made it job No. 1 to protect the ball this season, are last in the NFL in turnover differential at minus-6.