Mark Anthony Yu Caguioa (born November 19, 1979) is a Filipino professional basketball player who last played for the Barangay Ginebra San Miguel of the Philippine Basketball Association (PBA). Known as The Spark and as MC47 from his initials and his jersey number, he is also half of "The Fast and The Furious", along with his backcourt partner, Jayjay Helterbrand.