The Pittsburgh Pirates believe they're building something special. The San Francisco Giants provided a reminder that much work remains to be done before a contender becomes a champion.San Francisco Giants starting pitcher Madison Bumgarner throws against the Pittsburgh Pirates in the first inning of a wild-card playoff baseball game Wednesday, Oct. 1, 2014, in Pittsburgh.Pittsburgh Pirates relief pitcher Justin Wilson is removed by manager Clint Hurdle, right, in the sixth inning the NL wild-card playoff baseball game against the San Francisco Giants on Wednesday, Oct. 1, 2014, in Pittsburgh.San Francisco Giants right fielder Hunter Pence (8) bumps into second baseman Joe Panik after Panik caught a fly ball by Pittsburgh Pirates' Gaby Sanchez in the second inning of the NL wild-card playoff baseball game Wednesday, Oct. 1, 2014, in Pittsburgh.Pittsburgh Pirates starting pitcher Edinson Volquez wipes his face after being taken out of the NL wild-card playoff baseball game against the San Francisco Giants in the sixth inning Wednesday, Oct. 1, 2014, in Pittsburgh.