▁by ▁the ▁Montreal ▁Roy als ▁from ▁the ▁Min ne apolis ▁Mill ers ▁of ▁the ▁American ▁Association ▁in ▁the ▁ 1 9 4 1 – 4 2 ▁off - season , ▁H atten ▁pitch ed ▁for ▁the ▁Roy als ▁briefly ▁in ▁ 1 9 4 2 ▁before ▁entering ▁the ▁U . S . ▁Navy . ▁Upon ▁his ▁dis charge ▁four ▁years ▁later , ▁he ▁first ▁saw ▁service ▁with ▁the ▁Brook lyn ▁D od gers . ▁Poss ess ing ▁a ▁" r ub ber ▁arm ", ▁H atten ▁worked ▁as ▁both ▁a ▁starting ▁pitch er ▁and ▁a ▁rel ie ver , ▁even ▁appearing ▁in ▁both ▁ends ▁of ▁a ▁double - header . ▁ ▁H atten ' s ▁first ▁year ▁in ▁the ▁big ▁le agues ▁in ▁ 1 9 4 6 ▁saw ▁him ▁post ▁a ▁ 1 4 – 1 1 ▁won - lost ▁record ▁with ▁a ▁ 2 . 8 4 ▁E RA , ▁e ighth - best ▁in ▁the ▁National ▁League . ▁He ▁followed ▁that ▁season ▁with ▁a ▁career - high ▁ 1 7 ▁wins , ▁eight ▁losses ▁and ▁a ▁ 3 . 6 3   ER A . ▁H atten ▁often ▁had ▁trouble ▁cont rolling ▁his ▁pitch es , ▁as ▁he ▁allowed ▁the ▁second - most ▁bases ▁on ▁balls ▁in ▁each ▁of ▁his ▁first ▁two ▁seasons ▁with ▁the ▁D od gers , ▁walking ▁ 1 1 0 ▁bat ters ▁in ▁ 1 9 4 6 ▁and ▁ 1 0 5 ▁in ▁ 1 9 4 7 . ▁He ▁also ▁led ▁the ▁National ▁League