Here is a list of San Francisco Giants players who have worn No. 53 since 1958:
Pitcher Barry Zito wore the number for the San Francisco Giants from 2007 to 2013. He was not re-signed by the team for the 2014 season, so no one wears it now.
Barry Bonds wore number 7 for the Pittsburgh Pirates in 1986, then later in the season switched to number 24. He played for the Pirates from 1986-1992. He wore number 25with the San Francisco Giants from 1993-2007.
When Jerry Rice was with the San Francisco 49ers he wore the number 80.
None. No San Francisco Giants player has ever worn a number higher than pitcher Dan Otero's No. 87 during the 2012 regular season.
Barry Bonds, Mark Mackguire, Sandy Alomar, mike lowel
Jake Dunning wore No. 51 with the San Francisco Giants.
Santiago Casilla wore No. 46 for the San Francisco Giants.
Sergio Romo wore No. 54 for the San Francisco Giants.
Juan Gutierrez wore No. 57 for the 2014 San Francisco Giants.
Juan Perez wore No. 2 for the San Francisco Giants from 2013 to 2015.
Brandon Hicks wore No. 14 as a member of the 2014 San Francisco Giants.
Joaquin Arias wore No. 13 for the San Francisco Giants from 2012 to 2015.
Ryan Vogelsong wore No. 32 with the San Francisco Giants. In previous years with the team, he wore the numbers 51 and 14.
Adam Duvall wore No. 37 when he played with the San Francisco Giants during the 2014 season.
Hector Sanchez wore No. 29 when he played for the San Francisco Giants from 2011 to 2015.
Marco Scutaro wore No. 19 for the San Francisco Giants from 2012 to 2014..
Yusmeiro Petit wore No. 52 when he played for the San Francisco Giants from 2012 to 2015.