FOXBOROUGH, Mass. -- Matt Patricia and Joe Judge split the offensive play-calling duties in the New England Patriots' 23-21 loss to the New York Giants in Thursday night's preseason opener, adding an new wrinkle to a hot-button topic surrounding the team.

Head coach Bill Belichick hasn't named an official offensive coordinator to replace Josh McDaniels, but is primarily leaning on Patricia, whose title is senior football advisor/offensive line coach, and Judge, whose title is offensive assistant/quarterbacks coach.

Patricia called the plays for the opening two series with veteran Brian Hoyer at quarterback on Thursday night, then Judge took over when rookie Bailey Zappe entered the game.

"I thought it would be a good opportunity for us to do that," Belichick said.

Asked if he knows who will call plays when the regular season arrives, Belichick said: "Don't worry about that. We'll work it out. ... We're going through a process. Just like everything else on this team."

Patricia and Judge both coached from the sideline, and when the defense was on the field, Patricia often huddled with the line while Judge was with the quarterbacks.

Hoyer downplayed the play-calling storyline.

"I just listened to my helmet and called the play that was said to me. So whether it's Matt, or Joe, or whoever it might be, I'm not concerned about [that]. I'm worried about what defense they're running and how we're going to execute the play."

The Patriots, who rested starting quarterback Mac Jones and most of their starters, finished with 308 net yards of offense.

Hoyer was 5-of-8 for 59 yards with one touchdown in his two series, while Zappe was 19-of-32 for 205 yards with one touchdown and one interception against a Giants defense that was calling all-out blitzes in a game that traditionally doesn't feature such game-plan type elements.

Asked his thoughts on how the communication was with Patricia and Judge calling plays, Belichick said: "I didn't think [it] was a problem ... I thought we were on the ball quickly, had plenty of time to operate. We had to audible a few times and were able to do that. There's plenty of room for improvement. I'm not saying we're there yet, but getting there."