Something was clearly wrong with Jaxson Dart when he hit his head on the grass in Chicago on Sunday.

When he laid motionless and did not reach out for the football after his third-quarter fumble.

When he got up slowly by putting weight on his elbows and knees with his head bowed.

But the NFL’s concussion spotter and unaffiliated neurological consultants at Soldier Field did not call in for an evaluation with the clock stopped at 5:05 remaining in the third. The Giants did not examine their most important player at that point.

They put him back on the field with 34 seconds remaining in the quarter for two more plays to begin the Giants’ next offensive drive. And only then, at the quarter break, did coaches on the Giants’ sideline recognize something might be wrong and send him to th

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