Heinicke, who appeared in his first regular season game with the Texans in 2017, was picked up off waivers in April.
Kyle Allen "rolls the dice" on sticking in NFL
Once the top-ranked quarterback in his recruiting class, Allen was a backup when he opted to turn pro and is now seeking a backup role with Panthers.
Notes: Wrapping up rookie minicamp
Rashaan Gaulden shaking off some rust at safety; Marquis Haynes returns to Ole Miss for commencement; UNC Charlotte product Kalif Phillips believes he belongs.