Question: Matt Hannaford is a sports agent that has recruited some young stars, including what Cuban first baseman who played for the Seattle Mariners?

Context paragraphs:
List of 1987 Seattle Mariners draft picks: The following is a list of 1987 Seattle Mariners draft picks.  The Mariners took part in the June regular draft, also known as the Rule 4 draft.  The Mariners made 55 selections in the 1987 draft, the first being outfielder Ken Griffey, Jr. in the first round.  In all, the Mariners selected 29 pitchers, 11 outfielders, 4 shortstops, 3 catchers, 3 first baseman, 3 second basemen, and 2 third basemen.

List of 1988 Seattle Mariners draft picks: The following is a list of 1988 Seattle Mariners draft picks.  The Mariners took part in the June regular draft, also known as the Rule 4 draft.  The Mariners made 52 selections in the 1988 draft, the first being first baseman Tino Martinez in the first round.  In all, the Mariners selected 22 pitchers, 10 outfielders, 8 catchers, 3 shortstops, 3 third basemen, 2 first basemen, and 2 second basemen.

List of 1991 Seattle Mariners draft picks: The following is a list of 1991 Seattle Mariners draft picks.  The Mariners took part in the June regular draft, also known as the Rule 4 draft.  The Mariners made 67 selections in the 1991 draft, the first being left-handed pitcher Shawn Estes in the first round.  In all, the Mariners selected 33 pitchers, 14 outfielders, 12 shortstops, 6 catchers, 1 first baseman, and 1 third baseman.

Yonder Alonso: 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.

Matt Hannaford: 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.

Juan Miranda: 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.

List of Seattle Mariners uniform promotion games: The following is a list of Seattle Mariners uniform promotion games.  The games are often known as the "Turn Back the Clock Night" where they don throwback uniforms.  The Mariners have played games in promotional uniforms since the 1993 season, excluding 1997, and 2000–2004.  In 1994, the Mariners played the Oakland Athletics in a promotion titled "Salute to the [Seattle] Rainiers" where the two teams donned 1955 Pacific Coast League uniforms.  In 1995, the Mariners wore uniforms from the Seattle Steelheads, a short-lived Negro league baseball team based in Seattle, Washington.  Although not a "throwback", the Mariners have played two games in futuristic styled uniforms on a promotion night titled, "Turn Ahead the Clock".  The "Turn Ahead the Clock" game was originated by the Mariners promotional staff in 1998, and in 1999 the promotion was picked up by 19 other Major League Baseball (MLB) franchises.  Outfielder Ken Griffey, Jr. helped design the original 1998 uniforms.  Although the league-wide promotion has been criticized, the original Mariners' promotion proved successful.  In all, the Mariners have played 13 uniform promotion games.  Their all-time record is seven wins, and six losses.  The Mariners have played the Kansas City Royals three times, including their first jersey promotion game on May 21, 1993.  The Mariners have also played the Oakland Athletics (three times), the Milwaukee Brewers (twice), the Minnesota Twins (once), the San Diego Padres (three times), the Detroit Tigers (once), the Cleveland Indians (once), and the Los Angeles Angels of Anaheim (once).  The Mariners have played eight uniform promotion games at home, and six away.

List of 1990 Seattle Mariners draft picks: The following is a list of 1990 Seattle Mariners draft picks.  The Mariners took part in the June regular draft, also known as the Rule 4 draft.  The Mariners made 75 selections in the 1990 draft, the first being first baseman Marc Newfield in the first round.  In all, the Mariners selected 34 pitchers, 12 outfielders, 10 shortstops, 6 catchers, 6 first basemen, 4 third basemen, and 3 second basemen.

List of 1997 Seattle Mariners draft picks: The following is a list of 1997 Seattle Mariners draft picks.  The Mariners took part in both the Rule 4 draft (June amateur draft) and the Rule 5 draft.  The Mariners made 62 selections in the 1997 draft, the first being pitcher Ryan Anderson in the first round.  In all, the Mariners selected 33 pitchers, 13 outfielders, 5 third basemen, 4 catchers, 4 shortstops, 2 second basemen, and 1 first baseman.

List of 1977 Seattle Mariners draft picks: The following is a list of 1977 Seattle Mariners draft picks.  The list includes the June regular draft (Rule 4 draft), the June secondary draft, and the January regular draft, and January secondary draft.  In all the drafts, the Mariners selected 17 pitchers, 13 outfielders, 4 catchers, 4 shortstops, 3 first baseman, 2 third basemen, 1 second baseman, 1 middle infielder for a combined total of 45 players in all drafts.  Six selections by the Seattle Mariners in 1977 went on to play in Major League Baseball.

Supporting paragraphs: Matt Hannaford Yonder Alonso
Answer: Yonder Alonso