Rory Delap famously popularized them at Stoke City. And from all indications, Major League Soccer appears well on its way to perfecting the technique.
Long throw-ins may be a purist’s nightmare, the uncultured antithesis of the much-admired tiki-taka, but they’re clearly en vogue these days in MLS. Whether the ball is in the final third with a mass gathering in the box or a good chuck is needed to help clear the defensive lines, MLS teams are turning to the long throw-in with a frequency – and effectiveness – not seen throughout Europe. ...
See the whole story here, courtesy of Yahoo! Sports.
Kicking Back Comments: One of the best pieces of advise I received as a youth referee, is that a throw-in is nothing more than getting a ball into play. It did not serve anyone to be overly litigious about "bad throw-in's."
In looking as the excruciating detail in the article, it makes me wonder if this is much ado about nothing. Interesting ... but it's just a throw in.