Daniel James Nava (born February 22, 1983) is an American former professional baseball left fielder. He played in Major League Baseball (MLB) for the Boston Red Sox, Tampa Bay Rays, Los Angeles Angels, Kansas City Royals, and Philadelphia Phillies. Nava is only the fourth player in MLB history to hit a grand slam in his first major league at bat and the second to do it on the first pitch. Early life Nava was born in Redwood City, California. He played baseball at St. Francis High School in Mountain View, California and received his Psychology degree from Santa Clara University. He was and in his freshman year in high school and grew to and by his senior year. After an opportunity to walk-on to the Santa Clara University baseball team, he failed to make the team as a player and became the team equipment manager. He left Santa Clara after two years because he could no longer afford the tuition. He then enrolled in the College of San Mateo (junior college). He tried out for the baseball team on the encouragement of an old friend he happened to run into at a gym. While at the College of San Mateo, he became a Junior College All-American. Later Santa Clara wanted him back and eventually offered him a full scholarship. He hit .395 with an on-base percentage of .494 in his lone season with the Broncos, both tops in the West Coast Conference, and earned first-team All-WCC honors. He stole 15 bases without being caught, and he had more walks (31) than strikeouts (29). Professional career Minor leagues When Nava graduated from college, he went undrafted and signed with the Chico Outlaws of the Golden Baseball League. The Outlaws cut him after a tryout, only to bring him back a year later to fill a void. In 2007 Nava hit 12 home runs for the Outlaws, with a .371 batting average and a 1.100 OPS. Nava was named the number one independent league prospect by Baseball America in 2007. Red Sox assistant director of pro scouting, Jared Porter, recommended the Sox sign Nava from the Chico Outlaws in 2007. The Red Sox paid the Outlaws $1 for the rights to Nava, with an agreement that the Outlaws would receive an additional $1,499 if the Red Sox kept Nava after spring training. In 2008, Nava played for high Single-A Lancaster and hit