4th capt. means "4th hitter". They would protect the quarterback.
NFL player Captain Munnerlyn played for South Carolina.
NFL player Captain Munnerlyn weighs 195 pounds.
Captain
The 'C' patch is new to the NFL this season (2007) and signifies the Captains of the team.
NFL player Captain Munnerlyn is 5'-08''.
Andy Dalton
Captain Munnerlyn plays for the Minnesota Vikings.
I'm guessing o means our captain and your captain the difference is our is everyone captain and your captain means personal captain
According to Wikipedia, she is the fourth cousin of Toronto_Maple_Leafsstar defenseman and captain Dion_Phaneuf.
if you mean on the jersey it stands for "captain"
running back
Joe Greene