Mike Porcaro

Michael Joseph Porcaro (May 29, 1955 – March 15, 2015) was an American bass player known for his work with the rock band Toto. He retired from touring in 2007 as a result of being diagnosed with amyotrophic lateral sclerosis (ALS). He was the middle brother of Toto members Jeff Porcaro and Steve Porcaro. Their father was jazz drummer-percussionist Joe Porcaro.