Something we can all agree on, I am not sure why two posters whose insight I really like and trust on this board are so dug in on either side of this.
I am a middle child and a diplomat at heart, so coming to tell you that you are both right.
I watched the play live, and watched the
highlights over and over, have zero investment in either of these teams or Barber.
What I saw was that that was likely going to be a safety no matter if Barber dove straight ahead or went out to his left.
Keuchly fired through the B gap so fast that going to Barber's left looked like a losing proposition to start with. I don't blame Barber for shifting further outside as sometimes you can avoid overpursuit that way, but not against a solid tackler like Luke. Even if Luke missed, LB Shaq Thompson tracked the play and was on Barber as well.
BUT -- had Barber gone full bore ahead, he would have run right into Kawann Short who also come cleanly through the line at the A gap relatively clean. Would have been stuffed for sure in the endzone that way too.
Looking at the highlights, Tampa's center and RG chipped together on Dontari Poe -- Barber's best chance on that play was to go right in a small pocket of space around the right A gap. Not saying that would have been a guaranteed non-safety or first down, but that's where the most push from the Buc's line was, and had Barber stayed behind the lineman to his right and pushed with the pile, that was likely the best path to success. So not sure why Barber was trying to run through the left A gap to start with (which to me, it looked like he did before he saw Kuechly coming and made a split-second decision to evade, to no avail).
You could argue that running through the A gap to the right is still running "straight" -- but not sure that solves the root of the argument as to whether it's better to always run straight in this situation or leak out to the outside.
In this case, running straight right likely would have gotten the ball out of the endzone.
But this is just one case, and I can't say why you would say one method is clearly better -- totally depends on play, personnel, situation, scheme, etc.
So calling this fight a draw, and let's continue to discuss how we'll never really figure this whole backfield out, except that Barber is not a back we can truly rely on yet as a fantasy contributor despite this solid game. But at least he seems like he'll get the carries over RoJo if...or more likely when...Rojo figures himself out.