Complex sentence: Law was called up to the San Francisco Giants on April 15,2016, to replace the injured Sergio Romo and made his major league debut in a game later that day against the Los Angeles Dodgers.
Split into simpler sentences: Law was called up to the San Francisco Giants on April 15,2016, to replace the injured Sergio Romo. Law made his major league debut in a game later that day against the Los Angeles Dodgers.