Katie Taylor punches a tennis ball attached to her cap with crazy skill
We've seen a lot of tennis balls in non-tennis situations recently, .
Last month, we brought you Real Madrid's unique goalkeeper training drills, involving
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Today we got an insight into Katie Taylor's training methos, as she took aim at a tennis ball attached to her cap with an elastic string.
If you can punch a tennis ball, you can punch an opponent. Next up, wrenches...
Meanwhile, it was
