LAKE BUENA VISTA, Fla. – James Harden made up for a miserable shooting night with a big blocked shot, Russell Westbrook scored 20 points against his former team and the Houston Rockets edged the Oklahoma City Thunder 104-102 on Wednesday night in Game 7 of their first-round series.The Rockets pulled out a tense final game of the first round that lasted long past the final basket as replays and fouls were sorted out.In the end, Houston prevailed to set up a second-round matchup with the Los Angeles Lakers that begins Friday despite Harden, the NBA's leading scorer, going 4 for 15 from the field.The frantic final seconds of a game that was tight throughout had Houston take the lead for good at 103-102 when P.J.