The Gladiator's Bargain (Warriors of the World, 2) by April Andrews
Feted gladiator, Logan A’lars, subdued hundreds of men in the arena. One after the other they fell to their knees before him and he reveled in their submission. But Logan’s latest prize, the human, Matt James, is not submitting as easily as Logan expected.
Matt is searching for the legendary Earth and the people that are rumored to still live there. It’s been his mission for as long as he can remember and no matter how much Logan excites him, he cannot allow the alien to get in his way.
With no other option, Logan promises to help Matt find his way to Earth, but it comes at a cost… Logan wants to own Matt in every possible way, and if Matt wants to fulfill his mission, a mission that might just decide the fate of the entire human race, he might have no choice but to agree…
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