Which preposition to use with contenders

in Occurrences 2%

This distinguished Irish nobleman furnished a contender in his Valkyrie II.

against Occurrences 1%

But if it were necessary to advance an argument as to the integrity of the sport and the high class of the men who are engaged in the summer season in playing professional Base Ball, there could be nothing better to prove that the price of victory is the one great consideration, greater than the fact of Philadelphia's success against a team which was a strong contender against that which finally won the championship.

for Occurrences 1%

There were many contenders for survival and supremacy.

from Occurrences 1%

The advertisement of a sale is a signal which, at once, puts a thousand hearts in motion, and brings contenders from every part to the scene of distribution.

on Occurrences 1%

Yet the hot-headed contenders on both sides may be reminded of certain facts.

Which preposition to use with  contenders