I said he's been successful coaching in his collective career which includes both NFL and college you goat fucker.
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The guy is young had success coaching QBs in college and NFL
Not to defend JR but yall are grasping at straws a bit. He was QB coach at Detroit not the Head Coach or even an OC. See what other coordinators can do with Dan Orlovsky and aging Daunte Culpepper.
QB Dan Orlovsky GS-7 143 for 255, 1,616 yards, 8 td, 8 int, & 7 rushes for 29 yards and 0 td
QB Daunte Culpepper GS-5 60 for 115, 786 yards, 4 td, 6 int, & 12 rushes for 25 yards and 1 td
Just to give an example, Christian Ponder who started in 10 games (and whom I though played pretty well for the Vikings) was 158 for 291 1,853 yards 13 tds 13 int.
as for Culpepper, even Lord Sabinz himself could do nothing with him.