Question: Who is the partner of the agent who recruited a Cuban first baseman born April 8, 1987?

Context articles: Matt Hannaford
Victor Rivas
Hsieh Chia-hsien
Michel Abreu
Yonder Alonso
Chance Cummings
Carlos Santana (baseball)
José Abreu (baseball)
Juan Miranda
Yulieski Gurriel

Matt Hannaford is an MLBPA certified sports agent and partner at MVP Sports Group.
 Along with partner Dan Lozano, he represents some of the games biggest names in baseball, including Albert Pujols, Jimmy Rollins, Joey Votto, Josh Donaldson, Nick Swisher, Brian Wilson and Carlos Beltrán.
 Hannaford has also been responsible for recruiting some of the game's best young stars, including Manny Machado, Michael Taylor, Yonder Alonso and Derek Norris.
Víctor Rivas Goire (born April 30, 1992), also known as Victor Rivas, is a Cuban professional baseball first baseman.
 Rivas played for the Cuban national baseball team in two international competitions.
 He attempted to defect from Cuba in 2011, seeking a career in MLB, was unsuccessful in that attempt, and got banned by the Cuban government from participating in baseball for two years.
 After defecting successfully two years later and establishing his residency in Haiti, Rivas applied for his free agent's license.
Hsieh Chia-hsien (; born April 8, 1976 in Hualien, Taiwan, Republic of China) is a Taiwanese professional baseball player.
 Originally drafted by the Taiwan Major League's Taichung Agan in 1998, after TML's merger into CPBL he has been playing for the Chinese Professional Baseball League's Macoto Gida and its successors Macoto Cobras and Dmedia T-REX since 2003.
 A left-handed outfielder and first baseman, he is well known for his offensive and powerful batting.
 He has been a frequent member of the Chinese Taipei national baseball team since 1999 and holds a controversial record of reaching career 100th home run fastest in the history of professional baseball in Taiwan in within only 454 games; CPBL did not recognize this record because his first 75 home runs were hit in the TML.
 He also hit CPBL's milestone 5000th home run on April 12, 2006.
Michel Abreu Martinez (born February 8, 1975) is a Cuban professional baseball player.
 A first baseman, he is a member of the Hokkaido Nippon-Ham Fighters of Nippon Professional Baseball.
 Abreu began his professional career in the Cuban National Series, and then played in minor league baseball after he defected from Cuba.
Yonder Alonso (born April 8, 1987) is a Cuban professional baseball first baseman for the Seattle Mariners of Major League Baseball (MLB).
 He previously played for the Cincinnati Reds, San Diego Padres, and Oakland Athletics.
 Prior to entering the major leagues, he played college baseball at the University of Miami.
Napoleon "Chance" Cummings (June 8, 1892 – April 22, 1974) was an American baseball first baseman and second baseman in the Negro leagues.
 He played from 1916 to 1928, mostly with the Atlantic City Bacharach Giants.
 He began his career in Jacksonville, Florida with the Duval Giants and moved with the team to Atlantic City, New Jersey to become one of the original Bacharach Giants from 1916 to 1918.
 He returned to the Bacharach Giants from 1923 to 1928 and was part of the team when they won Eastern Colored League pennants in 1926 and 1927.
 His nickname, "Chance," came from being compared to the Chicago Cubs' first baseman, Frank Chance.
Carlos Santana (born April 8, 1986) is a Dominican professional baseball designated hitter, first baseman, and left fielder with the Cleveland Indians of Major League Baseball (MLB).
 He was primarily a catcher through the 2013 season, prior to the emergence of Cleveland catcher Yan Gomes.
José Dariel Abreu Correa (born January 29, 1987) is a Cuban professional baseball first baseman for the Chicago White Sox of Major League Baseball (MLB).
 He played in the Cuban National Series for Cienfuegos before his defection in August 2013.
 After being granted free agency by MLB, Abreu signed with the White Sox in October 2013.
 Abreu has also filled in at designated hitter for the White Sox.
Juan Miguel Miranda Ramírez (born April 25, 1983) is a Cuban first baseman who is currently a free agent.
 He has played in Major League Baseball for the New York Yankees and the Arizona Diamondbacks.
Yuliesky Gourriel Castillo (born June 9, 1984), also known as Yulieski or "Yuli" Gurriel, is a Cuban professional baseball first baseman for the Houston Astros of Major League Baseball (MLB).
 He previously played for Sancti Spiritus in the Cuban league.
 A former member of Cuba's national team, Gurriel played shortstop, second base and third base, but has played mostly first base with the Astros.
 The son of former Cuban player Lourdes Gurriel, Yulieski was regarded as the best player in Cuba in 2006.
 At the World Baseball Classic in 2006, Major League Baseball scouts projected that Gurriel would be a first-round draft pick if he were eligible for the draft.