On the ball definitions

On the ball

1) Alert 2) Alert, slang
Found on https://www.crosswordclues.com/clue/on-the-ball

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On the Ball

[ITV television show] On The Ball is a British ITV Saturday lunchtime television show about football, which ran as part of World of Sport in the 1970s & 1980s, and as a stand-alone show from 1998 to 2004. The original On The Ball was a half hour football round-up segment shown as part of the World of Sport Saturday afternoon sports programm...
Found on http://en.wikipedia.org/wiki/On_the_Ball_(ITV_television_show)

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