等他走近后，他的手伸向口袋并拿出了一个比赛用球。

As he got closer, he reached into his pouch and handed Marcus a game ball.

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而且一旦比赛用球出现任何磨损迹象都要换个新球。

And a new ball would be used whenever the one in play showed any sign of wear.

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那么究竟这个新的比赛用球是怎么挑起这些争论的呢？

So what exactly is it about the new ball that's provoking all the controversy?

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