From Wikipedia, the free encyclopedia
John Henderson Blackley (born 12 May 1948) is a Scottish football coach and former player, currently First Team Coach at Plymouth Argyle.
Blackley made 279 appearances at centre-half for Hibernian and also represented Newcastle United, Preston North End and Hamilton Academical. He won seven Scottish international caps and represented his country in the 1974 FIFA World Cup.
Blackley began a mangerial career with Hamilton in 1982, before taking charge of another former club, Hibs, between 1984 and 1986. His final managerial role was at Cowdenbeath, which he left to become Gordon Wallace's assistant at Dundee.
Blackley is currently a member of Paul Sturrock's long-term coaching set-up at Plymouth along with Kevin Summerfield, having rejoined the club when Paul Sturrock was re-appointed manager there in November 2007. He has previously worked with Sturrock at St Johnstone, Dundee United, Plymouth Argyle, Sheffield Wednesday and Swindon Town. His brief is to work specifically with the defenders, passing on the experience he accrued in his 17-year playing career.