There is no way to know fully if it was intentional, but it certainly doesn't look good.
Notre Dame fans were worried pretty early in the game against Stanford on Saturday, but it wasn't about whether or not the Fighting Irish would win the game, but whether or not their star running back would be okay.
About halfway into the first quarter against the Cardinals, Notre Dame running back Jeremiyah Love was taken down by about three Stanford defenders, and after the big hit, Love lay on the ground in evident pain.