Pollack and assistant line coach Derek Frazier scouted Scharping while with the Jets. When it comes to the Cincinnati Bengals and depth at offensive line, there is no amount that can be too much. Cincinnati needed to improve their line this offseason after Joe Burrow was the most sacked quarterback in the NFL last season. Signing three starter-quality free agents and drafting the other projected starter of the five-man unit, the Bengals took that assignment seriously. They continue that trend following the final cut day, in which teams had to trim their roster to 53 players. In one of their…