Meanings of feisty competitor in English

I do respect what he's done -he's a feisty competitor himself.

But watching two of three younger brothers grow bigger than him had always made him a fierce, feisty competitor.

Everyone knows how much of a feisty competitor he is; he generally plays well when things are at their toughest.

Matosevic, nicknamed Mad Dog, is a feisty competitor but it was not long before he was being forced to admire Federer's shots.

When one feisty competitor, Tidewater Pipeline Company, refused to cave in, Rockefeller's boys plugged up its pipelines and bribed judges to enjoin its bonds.

Both are feisty competitors but neither of them is the now ruled-out Jimmy Anderson.