Though the exact impact of coaching is notoriously hard to quantify, Marc Roudebush, CEO of Inspiring Workplace, points to a recent global survey of coaching clients by PriceWaterhouseCoopers and the Association Resource center which concluded that the mean ROI for companies investing in coaching was 7 times the initial investment, with over a quarter reporting an ROI of 10 to 49 times.

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The Knicks actually trailed by 10 when Stoudemire entered in the first quarter, then went on to challenge the franchise-record victory margin of 48 points and kept alive Mike Woodson's chances of coaching the Eastern Conference All-Star team.

WSJ: Stoudemire 10 for 10, Knicks crush Kings 120-81

On the other hand, as Maroe points out, spending a couple of thousand dollars on coaching to land a six-figure job may be well worth the investment.

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The Blues lie fourth in the table, seven points adrift of leaders Manchester United, who have a game in hand, with assistant Ray Wilkins coaching the team on an interim basis.

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