Giants ownership’s tolerance of Joe Schoen and Brian Daboll running this team should have reached a breaking point on Sunday.

Schoen’s roster in year four still looks like the early stages of a group project that makes the teacher walk over and ask, “What is that supposed to be?”

Daboll commits weekly game management errors and offers no explanation for them, seemingly because he does not even understand what he did wrong and has no ability to learn from those mistakes.

NFL sources have commented for weeks to the Daily News that they can see obvious give-up and lack of effort from Daboll’s team late in games, especially on defense.

“Why are they tolerating this?” one source said. “They” is a reference to ownership.

Daboll also has done something consciously two weeks in a row th

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