Ruy Lopez Brief

Had a very interesting blitz that had a variation of the Ruy Lopez I don't see very often. Black played the knight out to D4 on move 3:





















The best move in that position for white is to take the knight, followed by either a castle or BC4. It creates overall very interesting positions, and I am wondering how often you have seen it if you played the Ruy opening. Here is a Kasparov game with the opening for consideration: