Carroll, who's second string quarterback Tarvaris Jackson is a free agent, heaped the praise on the current New York Jet during media day.
“Mark has everything ahead of him,” said Carroll, “As often happens when you get the break, when you get to take a step back and analyze and assess what’s going on, you come back even stronger. I think that’s what will happen with Mark."
Carroll coached Sanchez at USC and had implored the quarterback to stay in school after his junior year.
Instead Sanchez declared for the draft and was taken fifth overall by the New York Jets. After leading the Jets to two AFC Championship games, Sanchez's career has flatlined and he spent last season on the injured reserve.
Although Sanchez is still under contract until 2016, it is highly unlikely that the Jets will keep Sanchez. Rookie Geno Smith replaced Sanchez as starting quarterback last season.
Carroll did not mention any interest in Sanchez for the Seahawks and it is unclear whether Seattle will resign Tarvaris Jackson, who had one touchdown in three brief appearances this season.