▁through ▁ 1 9 8 6 ▁for ▁the ▁Detroit ▁Tig ers ▁and ▁ ▁Texas ▁R angers . ▁List ed ▁at ▁ 6 ' ▁ 4 ", ▁ 1 8 5 ▁lb ., ▁Ro z ema ▁batt ed ▁and ▁threw ▁right - hand ed . ▁He ▁was ▁born ▁in ▁Grand ▁Rap ids , ▁Michigan . ▁ ▁Early ▁years ▁and ▁ 1 9 7 7 ▁ro ok ie ▁season ▁' R ose y ', ▁as ▁he ▁was ▁nick named , ▁was ▁originally ▁selected ▁by ▁the ▁San ▁Francisco ▁Gi ants ▁in ▁the ▁ 2 2 nd ▁round ▁of ▁the ▁ 1 9 7 4 ▁ML B ▁D raft , ▁but ▁he ▁decided ▁to ▁stay ▁at ▁school . ▁He ▁then ▁played ▁for ▁Grand ▁Rap ids ▁Community ▁College ▁in ▁ 1 9 7 4 ▁and ▁was ▁draft ed ▁in ▁January ▁ 1 9 7 5 ▁by ▁the ▁Detroit ▁Tig ers . ▁ ▁In ▁ 1 9 7 6 , ▁Ro z ema ▁played ▁for ▁the ▁Mont gom ery ▁Reb els ▁in ▁the ▁Tig ers ' ▁farm ▁system ▁and ▁led ▁the ▁Southern ▁League ▁pitch ers ▁with ▁a ▁ 1 . 5 7 ▁earned ▁run ▁average . ▁ ▁The ▁Reb els ▁were ▁ 8 6 - 5 1 ▁in ▁ 1 9 7 6 ▁and ▁won ▁the ▁league ▁championship . ▁ ▁Ro z ema ▁deb uted ▁in ▁the ▁major ▁le agues ▁at ▁age ▁ 2 0 ▁with ▁the ▁Detroit ▁Tig ers ▁in ▁ 1 9 7 7 . ▁ ▁On ▁April ▁ 2 1 , ▁he ▁shut ▁out ▁the ▁Boston