YOU SAID:

Considering he's played football for only two years, he does it well

INTO JAPANESE

彼はたった2年間サッカーをしていることを考えると、彼はそれをうまくやる

BACK INTO ENGLISH

Given that he has been playing soccer for only two years, he does it well

INTO JAPANESE

彼がサッカーを始めて2年しか経っていないことを考えると、彼はうまくやっています。

BACK INTO ENGLISH

He's doing well given that he's been playing soccer for only two years.

INTO JAPANESE

彼はたった2年間サッカーをしているので、彼はうまくやっています。

BACK INTO ENGLISH

He is doing well because he has been playing soccer for only two years.

INTO JAPANESE

彼はサッカーを2年しかしていないので、うまくやっています。

BACK INTO ENGLISH

He is doing well because he has been playing soccer for only two years.