Edgar Renteria hit a go-ahead two-run single in the eighth inning and David Ortiz doubled and drove in two runs, leading the Boston Red Sox to a four run eight inning and a 7-5 win over the Athletics. Barry Zito issued a career-high seven walks and was done after five innings and 115 pitches. He has allowed 18 runs in his last four starts covering 21 1/3 innings against Boston. Matt Clement still has not lost this season, but was roughed up by the A's.