Good spot. I've separated them, rather than just deleting the Port stuff, as the Port dude is far more notable than the 1 game Carlton guy.The Wikipedia page for this chap does have another problem, as it suggests the Carlton player went on to become a star for Port Adelaide over many years:
Interestingly, the 1922 DOB for Carlton guy was there from article creation in 2013. Maybe the AFL Encyc got it right.