William Thomas Mainwaring, known as Billy, (born 24 January 1941 in Port Talbot

Port Talbot

Port Talbot is a town in Neath Port Talbot, Wales. It had a population of 35,633 in 2001.-History:Port Talbot grew out of the original small port and market town of Aberafan , which belonged to the medieval Lords of Afan. The area of the parish of Margam lying on the west bank of the lower Afan...

) was a Welsh international

Wales national rugby union team

The Wales national rugby union team represent Wales in international rugby union tournaments. They compete annually in the Six Nations Championship with England, France, Ireland, Italy and Scotland. Wales have won the Six Nations and its predecessors 24 times outright, second only to England with...

 second row rugby union player who played for Aberavon RFC

Aberavon RFC

Aberavon RFC is a rugby union club located in the Welsh town of Port Talbot, although the club's name refers to the older settlement of Aberavon which lies on the western side of the town...

.

Nurtured in his village team of Taibach RFC

Taibach RFC

Taibach Rugby Football Club are a Welsh rugby union club based in Taibach near Port Talbot in Wales, UK. The club is a member of the Welsh Rugby Union and is also a feeder club for the Ospreys....

, Mainwaring was a regular member of the Aberavon RFC

Aberavon RFC

Aberavon RFC is a rugby union club located in the Welsh town of Port Talbot, although the club's name refers to the older settlement of Aberavon which lies on the western side of the town...

 team before his first cap in 1966-7 season against Scotland

Scotland national rugby union team

The Scotland national rugby union team represent Scotland in international rugby union. Rugby union in Scotland is administered by the Scottish Rugby Union. The Scotland rugby union team is currently ranked eighth in the IRB World Rankings as of 19 September 2011...

 at Murrayfield. He played in all of the Welsh games of that term.

In the following season, he was one of four Aberavon RFC

Aberavon RFC

Aberavon RFC is a rugby union club located in the Welsh town of Port Talbot, although the club's name refers to the older settlement of Aberavon which lies on the western side of the town...

 players who played against the touring All Blacks

All Blacks

The New Zealand men's national rugby union team, known as the All Blacks, represent New Zealand in what is regarded as its national sport....

 (the others being fellow second row Max Wiltshire, centre Ian Hall

Ian Hall (rugby player)

Ian Hall is an ex- Welsh Rugby Union International who played for Aberavon RFC during the 1970s.Born in Gilfach Goch, Hall was a strong running centre / wing with a great tackle...

 and debutant full-back Paul Wheeler

Paul James Wheeler

James Paul Wheeler was a Welsh international full back who played club rugby for Swansea and Aberavon. He won two caps for Wales including one against the 1967 touring New Zealand side.- References :...

). His final test was against England

England national rugby union team

The England national rugby union team represents England in rugby union. They compete in the annual Six Nations Championship with France, Ireland, Scotland, Italy, and Wales. They have won this championship on 26 occasions, 12 times winning the Grand Slam, making them the most successful team in...

 in 1968.

He captained Aberavon RFC in the 1969-70 and 1970-1 seasons playing on until the club's centenary season of 1976-7.

During his career he formed a formidable club second row partnership firstly with Max Wiltshire and later with Allan Martin

Allan Martin

Allan Jeffery Martin is a former Aberavon RFC and Welsh international rugby union player. He was noted for his long distance goal-kicking.-Biography:...

, both fellow internationals.

After retirement he became a selector at Aberavon RFC.