Caldwell has more experience as he prepares for second crack at Peyton Manning

Last month, when former Colts coach Jim Caldwell abruptly became the Ravens’ offensive coordinator, Caldwell’s initiation featured a visit from his prized pupil in Indy — Peyton Manning. Four weeks later, Caldwell has had a chance to adjust.  And he has adjusted well.  As pointed out by Garrett Downing of the Ravens’ official website, the…