It 's a challenge physically to move that fast from play to play , but Sanchez highlighted another challenge after practice .
Mark Sanchez has experience working in a high - tempo offense from his days under head coach Chip Kelly with the Philadelphia Eagles .
It 's a challenge physically to move that fast from play to play , but Mark Sanchez highlighted another challenge after practice .
Mark Sanchez has experience working in a high - tempo offense from his days under head coach Chip Kelly with the Philadelphia Eagles .