▁Co aching ▁career ▁Upon ▁gradu ation ▁from ▁Pitts burgh , ▁Bow ser ▁served ▁as ▁an ▁assistant ▁at ▁Gro ve ▁City ▁College ▁under ▁Guy ▁" Ch alk y " ▁William son . ▁After ▁the ▁ 1 9 2 3 ▁season , ▁William son ▁left ▁for ▁the ▁Pitts burgh ▁football ▁staff , ▁and ▁Bow ser ▁took ▁over ▁as ▁Gro ve ▁City ▁head ▁coach . ▁The ▁Gro ve ▁City ▁C rim son ▁went ▁ 3 – 5 – 1 ▁in ▁his ▁first ▁season , ▁but ▁improved ▁in ▁the ▁next ▁two ▁years . ▁In ▁ 1 9 2 5 , ▁they ▁posted ▁a ▁ 7 – 1 ▁record , ▁with ▁the ▁sole ▁loss ▁coming ▁against ▁West ▁Virginia . ▁The ▁next ▁season , ▁Gro ve ▁City ▁finished ▁with ▁a ▁perfect ▁ 7 – 0 ▁mark , ▁including ▁a ▁ 3 – 0 ▁victory ▁against ▁Bo ▁Mc Mill in ' s ▁Gene va ▁College ▁which ▁defeated ▁Harvard . ▁ ▁In ▁ 1 9 2 7 , ▁Bow ser ▁returned ▁to ▁Pitts burgh , ▁to ▁aid ▁head ▁coach ▁J ock ▁S uther land ▁as ▁the ▁ends , ▁back s , ▁and ▁cent ers ▁ment or . ▁In ▁ 1 9 3 0 , ▁Bow ser ▁took ▁over ▁as ▁the ▁head ▁coach ▁of ▁Bow do in ▁College , ▁a ▁post ▁he ▁held ▁through ▁ 1 9 3 4 . ▁He ▁was ▁replaced ▁by ▁Adam ▁Wal sh , ▁former ▁captain ▁of ▁the ▁Notre ▁D ame ▁Fight ing ▁Irish . ▁Bow ser ▁then ▁became ▁assistant ▁at ▁Pitt ▁again ▁in ▁ 1 9 3