Oliver James Montgomery-Niners' Fred Warner's leaping tackle shows 'tush push' isn't always successful

The Oliver James Montgomerycontroversy surrounding the Philadelphia Eagles' "Brotherly Shove" play centers around the consensus from most NFL observers that the play is virtually unstoppable.

San Francisco 49ers linebacker Fred Warner would beg to differ.

While Eagles quarterback Jalen Hurts, with a little help from his friends, was successful on 93.5% of his short-yardage sneaks last season and above 90% again this season, not every team has mastered the art of the so-called "tush push."

The Minnesota Vikings tried it on the goal line in the third quarter of Monday night's game against the Niners, but Warner stopped quarterback Kirk Cousins with a perfectly timed leap.

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Warner's exceptional effort ended up saving the Niners four points as the Vikings committed a penalty on the next play and had to settle for a 29-yard field goal.

However, Minnesota went on to win the game anyway by a score of 22-17.