He turned professional on his 17th birthday in 1973 , and made his debut on 6 October 1973 against Birmingham City as a substitute for Jeff Blockley , and put in an assured performance .
PRON VERB ADJ ADP PRON ADJ NOUN ADP NUM , CCONJ VERB PRON NOUN ADP NUM PROPN NUM ADP PROPN PROPN ADP DET NOUN ADP PROPN PROPN , CCONJ VERB ADP DET ADJ NOUN .