Robert Michael Picciolo (born February 4, 1953 in Santa Monica, CA) was a Major League Baseball player and coach. while in the Minor Leagues, he was voted Birmingham's Most Popular Player by local fans and Co-MVP by his fellow players.

He played nine seasons in the major leagues, from 1977-85, for the Oakland Athletics, Milwaukee Brewers, and California Angels, where he was primarily a shortstop, although he also played at third base and second base.

Rob spent 20 years in the San Diego Padres organization after retiring as a player. He was a minor league manager with the Class-A Short Season Spokane Indians in the Northwest League in 1986 and 1987, a roving infield instructor the following two years before being promoted to the Padres big league coaching staff midway through the 1990 season.

There, he served under Padres managers Greg Riddoch, Jim Riggleman and Bruce Bochy as a first base coach (mid-1990-92), a bench coach (1993-2002) and third base coach (2003-05). Picciolo was the longest-tenured coach in San Diego Padres history, serving 16 consecutive years between 1990 and 2005.

From 2006 to 2010, he served as the Angels' roving infield instructor. He was then named the Angels' bench coach for manager Mike Scioscia on November 10, 2010.

Picciolo died on January 3, 2018, aged 64.

(excerpted from Baseball Almanac, BR Bullpen & Wikipedia)