We're in the month of May, and high school baseball playoffs have already begun. Once again, it's time to answer the question: Who was the Maryland High School Baseball Player of the Week? We looked at multiple counties and nominated 16 athletes for games played from May 4-10. Congratulations to last week's winner: Matthew Rich of Dulaney. We ask you to check out this week's nominees below: Voting ends Sunday, May 17th, at 11:59 p.m. PT. The winner will be announced next week. Here are the nominees. Andrew Giacalone, Magruder Giacalone, a junior, pitched a complete-game shutout no-hitter with seven strikeouts in Magruder's 10-0 victory over Richard Montgomery. Colin Giacalone, Magruder In the same game, Andrew's brother, a sophomore, registered five RBIs and two doubles on 2-for-3 batting. Colin also broke the single-season RBI record set by Matt Sweeney in 2006 with his 35th RBI. Jackson Branch, Magruder Also in the same game, the senior Branch went 3-for-4 with five RBIs and two runs.…