The phrase 'earn advantage' is correct and usable in written English.
You can use it to talk about gaining an advantage as a result of hard work or effort. For example, "Through dedication and hard work, they were able to earn the advantage over their competitors."
The premise of "Winter Games" is that contestants earn advantages by excelling athletically on ice and snow.
As such, translating doping enhancements into earned advantages – having the best scientists on one's team – would more closely align to the values of competition than leaving it all to chance, unequal access to illicit practice, and the cleverness of undetected cheating.
Nonetheless, if Tracy McGrady stays healthy, Orlando has a chance to earn homecourt advantage in the playoffs.
Federer finally gets a volley right to earn the advantage and then holds as Nadal hits long.
Sharapova is reprieved when Bouchard misses a rare backhand and she then wrongfoots Bouchard to earn the advantage, before a slow but well-placed serve seals an important hold.
Martyn Hazell, Dragons chairman, said: "The players have worked very hard to earn home advantage so it doesn't make sense to throw that away".
Ospreys, meanwhile, are preparing for Friday's match at home to Pro12 leaders Glasgow, as they bid for the chance to earn home advantage in the Play-off semi-finals.
The Sardis Road side reached the final of the Cup this season and again topped the league table this season to earn home advantage in the play-offs - where they face Ebbw Vale in the final on Sunday, 17 May.
Critics might argue that scientists, rather than athletes, earn such advantage and that this kind of achievement is not relevant to sports.
When he earned an advantage at the USPGA Championship in 2012, he pressed it home to win by eight.
