Can't abide this BS that he has to protect his signing bonus/contract $, so it's ok to be a quitter. There are insurance policies designed specifically for this that have been available for years. In fact, some schools offer it to players who sign with them, and an athlete can purchase as much as he is willing to pay a premium for.
And don't think it's because they can't afford the premiums. Those can be covered by the upcoming signing bonus with plenty to spare, or in the case of injury, by the proceeds of the settlement. Others have done it. You take one out against your projected contract value as determined by where you're anticipated to be drafted. So, the real financial issue isn't the $ of a contract, it's the unwillingness to pay an insurance premium so you can do the right thing and play in a team sport you volunteered to join.
Cross and any others who quit on their teammates & school are selfish, greedy pussies.
ETA - Another way to stop this BS is for the bowls themselves to offer insurance policies to cover any player with a draft grade, and at the amount equal to their projected draft placement. Those people already spend millions of $ putting these bowls on, so they could easily absorb the cost of premiums.
In the very unlikely event a player gets injured bad enough to lose NFL money, he'd already be set for life with $millions from the insurance policy. Never have to work a day in his life, able to take care of family, etc.
Not playing in the bowl game is quitting...pure & simple. One can argue the reasons for quitting, and/or the validity, but it is quitting, and any who do it are quitters. I do consider that a character issue, given the aforementioned insurance policy options.