The key player in each CONCACAF Champions League quarterfinal second leg

Goal looks at the men who could decide the CONCACAF Champions League quarterfinal second legs this week and lift their teams to the semifinals.

Soccer is a team game, but often it's a performance from an individual that takes our breath away.

The CONCACAF Champions League, still a growing tournament, doesn't always have those moments. Yet, the first legs of the quarterfinals provided plenty of entertainment - and indeed some standout individual performances, like those from FC Dallas' Kellyn Acosta and Pumas' Matias Britos.

So to preview this week's second legs, Goal takes a look at the individuals who could be the most significant - and whose performance could mean the difference between…