▁franch ise . ▁ ▁In ▁ 1 9 4 0 , ▁Bob ▁Car p enter ▁founded ▁the ▁original ▁Wil ming ton ▁Blue ▁Ro cks ▁in ▁partners hip ▁with ▁Con nie ▁Mack ▁as ▁a ▁Class ▁B ▁Inter state ▁League ▁affili ate ▁of ▁Mack ' s ▁Philadelphia ▁A ' s . ▁In ▁ 1 9 4 3 , ▁the ▁Car p enter ▁family ▁bought ▁the ▁Philadelphia ▁Phill ies , ▁and ▁before ▁the ▁ 1 9 4 4 ▁season ▁they ▁bought ▁out ▁Mack ' s ▁interest ▁and ▁made ▁the ▁Blue ▁Ro cks ▁an ▁affili ate ▁of ▁the ▁Phill ies . ▁The ▁Phill ies ▁purchased ▁the ▁club ▁out right ▁in ▁March ▁ 1 9 4 5 . ▁ ▁The ▁Blue ▁Ro cks ▁played ▁multiple ▁mid - season ▁exhibition ▁games ▁in ▁Wil ming ton ▁against ▁major ▁league ▁clubs . ▁The ▁Blue ▁Ro cks ▁went ▁ 2 – 2 ▁against ▁the ▁Phill ies , ▁winning , ▁ 5 – 1 , ▁on ▁August ▁ 2 3 , ▁ 1 9 4 3 , ▁and ▁ 9 – 3 ▁on ▁June ▁ 5 , ▁ 1 9 4 4 , ▁and ▁losing , ▁ 7 – 4 , ▁on ▁July ▁ 8 , ▁ 1 9 4 7 , ▁and ▁ 5 – 3 ▁on ▁July ▁ 1 1 , ▁ 1 9 5 1 . ▁ ▁The ▁Blue ▁Ro cks ▁played ▁in ▁Wil ming ton ▁Park ▁at ▁ 3 0 th ▁Street ▁and ▁Governor ▁Print z ▁Bou lev ard . ▁Some ▁ 7 , 0 0 0 ▁fans ▁attended