On April 4, 2011 — The Orioles are also 4-0 after beating the Tigers, 5 – 1, in their home opener at Camden Yards. Hall of Fame manager Earl Weaver throws the ceremonial first pitch, then Jake Arrieta takes over with six strong innings, the fourth straight outstanding performance by an Oriole starting pitcher. Brian Roberts hits a three-run homer off Rick Porcello to put the Birds ahead to stay.


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