New content information on a wordpress site?

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WordPress

Hi,

I have a sports blog and I would like to have a pop up or side widget change when something new happens on another site.

For example. When the score of a basketball game reaches 100 I would like a side widget to change to a specific photo of that team and the new score as the headline.

Hopefully this makes senses, any feedback is appreciated. Thanks

What I have tried:

I have been search wordpresses plugins for "refresh content" no luck with any plugin.