Michael Porcaro

Michael Joseph Porcaro (born May 29, 1955) is an American bass player. He is best known for his work with the Grammy Award-winning band Toto and is listed as a member on their official website. He retired from touring in 2007 due to his diagnosis of amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig’s disease.

He is the middle brother of Toto members Jeff Porcaro and Steve Porcaro. Their father is jazz drummer-percussionist Joe Porcaro.

He played bass on a few unofficial sessions with the band since their early days in the late 1970s, but was not made an official member until 1982 (shortly after the release of Toto IV); replacing David Hungate, who departed for a session career in Nashville. According to Toto guitarist Steve Lukather, Porcaro would have been an original member of the band, but the record label wanted to retain the successful chemistry of the line-up from Boz Scaggs' critically acclaimed Silk Degrees album (as Hungate, Lukather and other members of Toto were Scaggs' backing band at the time). He quickly replaced Hungate on bass for the album's music videos and subsequent tour.

Porcaro also played cello on the song "Good for You" on Toto IV, as well as "After You've Gone" on the 1999 album Mindfields.

Porcaro stopped performing with Toto in 2007 after a growing numbness in his fingers that made it increasingly difficult for him to play. He was replaced by Leland Sklar for the remainder of the tour and Toto disbanded in 2008. On February 26, 2010, it was announced via official press release that Mike Porcaro was suffering from Amyotrophic lateral sclerosis and that former band members of Toto, including Steve Porcaro, would reform and do a short tour through Europe in support of him in the summer of 2010. The regrouped Toto continue to tour and perform for Mike's benefit in 2011. Nathan East was the guest bass player for the 2010, 2011, 2012 and 2013 tours.

In September 2012, it was reported in Classic Rock magazine that he was doing as well as could be expected with his disease but he was in a wheelchair as the disease was progressing.