Mayfield was up next and, following a three-and-out, settled in on his second series, finding Rashard Higgins with a pretty back-shoulder throw on the sideline for a 26-yard gain.
So it's no surprise that after Wahlberg watched highlights of Mayfield's first preseason game that included two touchdown passes, he was happy.More news: Dez Bryant To Visit This Team Among Stops On Looming Free-Agency Tour
Callaway, the Browns' fourth-round pick, played despite being cited for marijuana possession and driving with a suspended license. The drive included conversions on third and long and fourth and two.
Leading up to Thursday night's preseason opener against the Cleveland Browns, there was an implication that New York Giants wide receiver Odell Beckham Jr. might suit up for the first time since Week 5 of last season. He finished his debut with a completion on a 54-yard, slant-and-run score to fellow rookie Antonio Callaway. He received a ton of work in six series and looked, well, mostly like the big-play magician who won the Heisman trophy previous year.
Mayfield's National Football League debut got off to a rocky start after some conservative play-calling.