By Jelani Scott Belt, the Giants’ self-appointed team captain, opened the season in style. View the original article to see embedded media. What started as a running joke late last season continued in hilarious fashion prior to the Giants’ season opener against the Marlins on Friday. After declaring himself a self-appointed team captain in September, first baseman Brandon Belt delivered a not-so-subtle reminder while tossing the ceremonial first pitch. Belt’s jersey boasted a “C” made out of tape, a clever callback to Evan Longoria’s handiwork before the team’s Sept. 10 game versus the Cubs. B…