Complex sentence: Dolsi made his major league debut on May 6,2008 in relief against the Boston Red Sox: his first major league pitch was hit over the center-field fence in Comerica Park for a home run by Manny Ramirez.
Split into simpler sentences: Dolsi made his major league debut on May 6,2008, in relief against the Boston Red Sox. His first major league pitch was hit over the center-field fence in Comerica Park for a home run by Manny Ramirez.