Northwestern put up its best shot against Nebraska, but the Wildcats came up just short.

In the end, it was a crucial interception thrown by Aidan Smith that turned the tables. With just minutes remaining, Smith was picked off by Lamar Jackson. Nebraska would take that turnover and march downfield to kick the game-winner as time expired.

However, one of the storylines after the game was a controversial non-call on Smith’s interception. On the play, one Huskers defender collided with the would-be receiver on Smith’s fateful throw.

RELATED: Northwestern QB Aidan Smith takes responsibility for game-changing interception against Nebraska

No flag was thrown, but it sure appeared that the defender arrived very early on the play. Here’s a look at it:

Head coach Pat Fitzgerald was asked about the play after the game, and he admitted it was questionable. He even said he wishes he had a red flag to throw, a nod to the new NFL rule allowing coaches to challenge pass interference plays.

Matt Hardesty shared Fitzgerald’s post-game comments: