Question: Which minor league team that plays its home games at Ogren Park did Tetsuya Yamaguchi play for before he was drafted by the Giants?

Context paragraphs:
Arizona League Giants: The Arizona League Giants are a minor league baseball team in Scottsdale, Arizona, United States.  They are a Rookie League team in the Arizona League and have been a farm team of the San Francisco Giants since 2005.  The Giants play day games out of their parent club's minor league clubhouse at Indian School Park in Scottsdale and night games at Scottsdale Stadium.  They play against most of the western and central MLB rookie affiliates.

Tetsuya Yamaguchi: Tetsuya Yamaguchi (山口 鉄也 , "Yamaguchi Tetsuya" , born November 11, 1983 in Yokohama, Kanagawa, Japan) is a Japanese Nippon Professional Baseball player with the Yomiuri Giants in Japan's Central League.  He was playing in the Missoula Osprey (Advanced Rookie level under Arizona Diamondbacks) before he was drafted by the Giants in 2005.

Peninsula Pilots (minor league team): The Peninsula Pilots were a Minor League Baseball team located in Hampton, Virginia.  They began play in the Carolina League in 1963 as a Washington Senators farm team.  The 1980 team was named the 74th best Minor League team of the 20th century in a list by two noted minor league historians, Bill Weiss and Marshall Wright.  The team was known as the Peninsula Senators (1963), Grays (1964-1968), Astros (1969), Phillies (1970-71), Whips (1972-1973), Pennants (1974) and White Sox in 19861987 while affiliated with the Chicago White Sox, and as the Virginia Generals in 1988 when they operated as an unaffiliated co-op club.  They regained their original name in 1989 and major league affiliation returned in 1990 with the Seattle Mariners (19901992).  The team's existence ended after the 1992 season when they relocated to Wilmington, Delaware and became the Wilmington Blue Rocks.

Hamilton Redbirds: The Hamilton Redbirds were a minor league baseball team that played in the New York–Penn League from 1988 to 1992.  They were affiliated with the St. Louis Cardinals and played their home games at Bernie Arbour Memorial Stadium in Hamilton, Ontario.  The Redbirds were founded in 1988, but the franchise itself was founded in 1958 as the Auburn Yankees.  It moved to Erie, Pennsylvania for the 1981 season, beginning its longtime affiliation with the St. Louis Cardinals.  The Erie Cardinals played at Ainsworth Field in Erie, Pennsylvania from 1981 to 1987.  The Erie Cardinals then relocated to Hamilton, Ontario to become the Hamilton Redbirds.  The Hamilton Redbirds set the all-time record for winning percentage by a St. Louis Cardinals minor league team at .651 in 1992, with a record of 56-20.  Future Major League players Keith Johns and Mike Gulan lead the offensive attack along with unsung centerfielder Brad Owens.  Lefty David Orlein and righty T.J. Mathews (en route to an MLB career) both posted a 10-1 mark, and closer Jamie Cochrane set a NY-Penn League saves record with 40.

Minneapolis Millerettes: The Minneapolis Millerettes were an expansion All-American Girls Professional Baseball League team that played for one season in 1944.  They played their home games in Nicollet Park, home of the men's minor league team the Minneapolis Millers.  The Millerettes' uniform consisted of a maroon cap and socks and a dress uniform with the circular Minneapolis city seal at the center of the chest.

Missoula Osprey: The Missoula Osprey are a minor league baseball team, affiliated with the Arizona Diamondbacks in Missoula, Montana.  The team plays its home games at Ogren Park at Allegiance Field.  The club is a member of the Pioneer League, a short-season league which is designated Rookie Advanced.  The Osprey have won the Pioneer League championship four times; in 1999, 2006, 2012 and 2015.

Majestic Park (baseball): One of the first spring training facilities, Majestic Park (1908–18) was the original baseball facility, on a parcel at the corner of Belding Street and Carson Street in Hot Springs, Arkansas.  The original Majestic Park was the spring training site of the Boston Red Sox (and their star pitcher Babe Ruth), (1909-1910, 1912–18), Cincinnati Reds (1910-1911), Brooklyn Dodgers (1910) and St. Louis Browns (1911).  The location later became the site of Dean Field (1935-1947) and Jaycee Park (1947-Present).  Dean Field served as home to the Rogers Hornsby Baseball College.  The Hot Springs Bathers minor league team and the Chicago White Sox (1948–51) minor league Spring Training were held at Jaycee Park, which also hosted the 1952 Negro League World Series and a 1953 exhibition game featuring Jackie Robinson.  The site hosted many Major League Spring Training Games and can claim both Home Run record holders, Babe Ruth and Hank Aaron as among those who have played at the site.  In 1914, Babe Ruth was just beginning his career (as a dominant left-handed pitcher) for the Red Sox, while a young Aaron performed there in 1952.

Houston Buffaloes: The Houston Buffaloes, Houston Buffalos, or Buffs were an American minor league baseball team, and were the first minor league team to be affiliated with a Major League franchise, which was the St. Louis Cardinals.  The club was founded in 1888, and played in the Texas League at various levels throughout the majority of its existence.  Most recently, from 1959 through 1961, the team played in the American Association at the Triple-A level of high minor league baseball as an affiliate of the Chicago Cubs.  The Buffaloes derived their nickname from Buffalo Bayou, the principal waterway through Houston to the Houston Ship Channel, outlet to the Gulf of Mexico.  The team's last home was Buffalo Stadium, built in 1928.  Before that, they played at West End Park from 1905–1928, and at Herald Park prior to that.

Kenny Greer: Kenneth William "Kenny" Greer is a retired Major League Baseball pitcher who played for the New York Mets in 1993 and the San Francisco Giants in 1995.  He was drafted by the New York Yankees in the 10th round of the 1988 Major League Baseball Draft and played for the Yankees minor league affiliates from 1988 to 1993 before being traded to the Mets in exchange for Frank Tanana on September 17, 1993.  12 days later, Greer would make his debut on September 29 pitching an inning of relief in the process of earning his first and only win in his only appearance with the Mets.  He would then sign with the San Francisco Giants on November 29, 1994 and would appear in 8 games with the team during the 1995 season, pitching 12 innings with 2 losses and a 5.25 ERA.  After his stint with the Giants, Greer would play for the minor league affiliates for the Giants, Pittsburgh Pirates and Baltimore Orioles before retiring in 1997.

Winter Meetings: The Winter Meetings are an annual event, held each December, in which representatives of all 30 Major League Baseball teams and their 160 minor league baseball affiliates convene for four days to discuss league business and conduct off-season trades and transactions.  Attendees include league executives, team owners, general managers, team scouts, visitors from baseball-playing countries, trade show exhibitors, and people seeking employment with minor league organizations.  The Rule 5 draft, in which minor league players who are not on a team's 40-man roster can be drafted by a major league team, is held on the last day of the meetings.

Supporting paragraphs: Tetsuya Yamaguchi Missoula Osprey
Answer: The Missoula Osprey