After one more three-and-out late in the first half, Mayfield got three second-half series that extended into early in the fourth quarter.
His line ended up at 11-of-20 for 212 yards and two scores.
Cleveland selected Mayfield out of Oklahoma with the No. 1 pick in the 2018 draft.
It's only the first preseason game, but the Baker Mayfield hype train is running like a well-oiled machine.
Wahlberg read off Mayfield's stats on his Instagram Story and said, "Cleveland got another star".
Cleveland Browns NewsBut despite those qualifiers, Mayfield did indeed produce a debut that should leave the Browns brimming with confidence about the long-term health of their quarterback position. The highlights, easily, both went to Callaway - a 24-yard sideline strike with Mayfield rolling to his right on third-and-7, and a 54-yard catch-and-run touchdown off a quick slant to punctuate both rookies' nights. "I'm honestly not surprised by anything Baker does".
Taylor, expected to be coach Jackson's starter as Mayfield learns this season, hit all five of his passes in two series, including a 36-yard touchdown pass to Njoku, a New Jersey native. Police also found bullets and a gun part in his auto this week.