Arrieta breaks trend  When Jake Arrieta won his Major League
debut on June 10 against the Yankees he became the latest
pitching prospect to come up to the Orioles from the minors and
enjoy instant success.  But when he followed it up with a win in
San Francisco to improve to (2-0), he broke a trend by winning
his first two big league starts.  Last season Brad Bergesen,
Jason Berken, David Hernandez, Chris Tillman and Brian Matusz
all made their major league debuts for the Orioles. Bergesen,
Berken, Hernandez and Matusz all were winners in their first
starts. Tillman, who pitched to a no-decision on July 29, 2009
versus Kansas City was the lone member of the group who didn't
win in his first big league start.  Here's how well the five
combined to pitch in their first major league starts: (4-0),
2.77 ERA in 26 IP, 10 R, 8 ER, 3 HR  Their follow up starts
however produced different results. None of the five lost their
big league debuts, but none won in their second starts. Berken,
Hernandez and Matusz all lost t