While Jackie Robinson's breakthrough in 1947 opened the gates of opportunity for African Americans and other minority players, it was not until 1971 when a team first enjoyed a full and complete level of integration, with half of its twenty-five-man roster comprised of players of African American and Latino descent. That team was the Pittsburgh Pirates, managed by an old-time Irishman.
![Bill Mazeroski HOF 01 Signed Pittsburgh Pirates Custom Jersey](https://m.media-amazon.com/images/I/71Q0fIoduPL._AC_UF1000,1000_QL80_.jpg)
The Team that Changed Baseball: Roberto Clemente and the 1971 Pittsburgh Pirates [Book]
![Bill Mazeroski HOF 01 Signed Pittsburgh Pirates Custom Jersey](https://upload.wikimedia.org/wikipedia/en/thumb/0/0f/MLB-NLC-PIT-Uniforms.png/275px-MLB-NLC-PIT-Uniforms.png)
Pittsburgh Pirates - Wikipedia
![Bill Mazeroski HOF 01 Signed Pittsburgh Pirates Custom Jersey](https://tseshop.com/cdn/shop/products/manny-sanguillen-autographed-custom-gold-baseball-jersey-28566598778946_512x512.jpg?v=1636178093)
Pittsburgh Pirates Signed Jerseys — TSEShop
![Bill Mazeroski HOF 01 Signed Pittsburgh Pirates Custom Jersey](https://c1.neweggimages.com/productimage/nb300/A0CYD23090819QQ9V70.jpg)
Athlon Sports Memorabilia & Collectibles
![Bill Mazeroski HOF 01 Signed Pittsburgh Pirates Custom Jersey](https://ansel.frgimages.com/pittsburgh-pirates/barry-bonds-autographed-jsa-8-x-10-photo-pirates-scarce-/-vintage_ss2_p-13448101+u-15c6kf2q8cnzwqefulcu+v-bfa674d8595a4a489c187778e8dbc571.jpg?_hv=2&w=900)
Barry Bonds, Autographed (JSA) 8 x 10 Photo (Pirates) Scarce / Vintage)
![Bill Mazeroski HOF 01 Signed Pittsburgh Pirates Custom Jersey](http://www.supersportscenter.com/cdn/shop/products/s-l1600_e0715945-0fb3-4124-bfa6-e81c145c2a2b_1024x1024.jpg?v=1651170173)
Bill Mazeroski Signed 8x10 Pirates Baseball World Series Celebration P – Super Sports Center
![Bill Mazeroski HOF 01 Signed Pittsburgh Pirates Custom Jersey](https://i0.wp.com/auctionofchampions.com/wp-content/uploads/2023/08/8323bin048006.jpg?fit=852%2C754&ssl=1)
Bill Mazeroski HOF 01 Signed Pittsburgh Pirates Custom Jersey (JSA Witness COA)
![Bill Mazeroski HOF 01 Signed Pittsburgh Pirates Custom Jersey](https://p1.liveauctioneers.com/7804/304520/162518243_1_x.jpg?height=282&quality=70&version=1696608519)
Bill Mazeroski Beckett Signed 1969 Topps Autograph
PRODUCT : Photo, PLAYER : Bill Mazeroski, SPORT : Baseball-MLB, AUTOGRAPH AUTHENTICATION : James Spence (JSA), TEAM : Pittsburgh Pirates,
![Bill Mazeroski HOF 01 Signed Pittsburgh Pirates Custom Jersey](https://www.mvp-authentics.com/cdn/shop/files/Framed-Bill-Mazeroski-Autographed-Signed-Pittsburgh-Pirates-16X20-Photo-Jsa-Coa-MVP-Authentics-1683211015.jpg?v=1691610683&width=1946)
Framed Bill Mazeroski Autographed Signed Pittsburgh Pirates 16X20 Photo Jsa Coa
![Bill Mazeroski HOF 01 Signed Pittsburgh Pirates Custom Jersey](https://fanatics.frgimages.com/pittsburgh-pirates/bill-mazeroski-pittsburgh-pirates-autographed-majestic-cooperstown-collection-white-replica-jersey-with-multiple-inscriptions_pi3767000_altimages_ff_3767437-6224b25f98c08ce79cc9alt5_full.jpg?_hv=2&w=900)
Autographed Pittsburgh Pirates Bill Mazeroski Fanatics Authentic Majestic Cooperstown Collection White Replica Jersey with Multiple Inscriptions