In Round 21 , Ebert injured his knee which turned out be an ACL injury .
In 2010 , prior to Round 21 , Ebert was Port Adelaide 's leading goal kicker with 30 goals for the season .
In Round 21 , goal kicker injured Ebert 's knee which turned out be an ACL injury .
In 2010 , prior to Round 21 , Ebert was Port Adelaide 's leading goal kicker with 30 goals for the season .