Defender lead with crown of helmet directly to PT's helmet. That was a penalty at the time.Sad ly it was a legal play. Thomas did make a football move after the catch,and there is no targeting rule in the NFL.
That's only in college.
edit- I should have said no targeting rule that year. The NFL does have a similar rule now.
NFL targeting rules, explained
Breaking down the NFL targeting rules with a look at how it compares to college football, how it's called and more about the player safety penalty.fansided.com