About Us


Co-founded in 2013 by former MLB All-Star Ellis Valentine and fan Colin Greer, PastPros is a virtual network designed to connect fans with their favorite former pro athletes from MLB, NHL & NBA.

With PastPros, you can mail your items to be signed by former pros or, in some cases, you can buy memorabilia straight out of the former pros collection.

No middleman, no dealers, authenticity guaranteed!



Ellis Valentine
Co-Founder & President

Former Major League Outfielder (All-Star 1977, Gold Glove 1978) Ellis Valentine began PastPros with the goal of providing former professional athletes the tools and skills required to run their own small business. While baseball remains an important part of Ellis' life, his real passion lies in helping others. A certified counselor, Ellis runs RAFT Recovery, a charity dedicated to providing experienced counseling services for addictions and behavioral health issues.

Colin Greer
Co-Founder & Managing Partner

Colin grew up a fan of the Montreal Expos and an avid baseball card collector. His vision for PastPros is to give fans and collectors access to their favorite former pros. PastPros has also enabled Colin to support various local charities (e.g. Miracle League, Native Women's Shelter of Montreal, Montreal Children's Hospital), through the organization of PastPros' special events.


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Registered in Canada as PastPros Network Ltd