The Chinese professional league tournament started in 1994.

1994年中国职业足球联赛正式开始。

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And the formation of the professional league is a cultural factors.

而所形成的职业联盟是具有文化因素的。

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Today there is a professional league called the North American Soccer league (NASL).

今天，美国已经有了的(？)被称为“北美足球联盟(NASL)”的足球专业组织。

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The midfielder's strong play in the U.S.professional league caught the attention of the Honduran national team about two years ago.

VOA: standard.2010.06.09

The lanky teenager began playing Australian Rules Football just four years ago but has made history by becoming the first player from Africa to join the professional league,the AFL.

VOA: standard.2009.12.17

Blacks were not permitted to play on professional baseball teams or in any other major league sport.

VOA: special.2009.04.05

There are currently fewer than 10 British Asian players in the professional league.

BBC: British Asian footballers bid for breakthrough

The professional league was only able to continue on the dubious grounds that several offending clubs were now under new (blameless) ownership.

BBC: Business

The report concludes that "it also raises the question as to whether the restructuring of the organisation of Scottish professional league football should be considered".

BBC: Last Updated: Monday, 5 March 2007, 10:13 GMT