Photos:: Mike Trout through the years

Mike Trout laughs with an Angels teammate in the dugout. The 22-year-old center fielder played in his second Major League All-Star Game in 2013.  (Allen J. Schaben / Los Angeles Times)

Mike Trout signs an autograph for a fan before the start of an Angels game against the Tampa Bay Rays on Sept. 5. Trout has quickly become a fan favorite in Anaheim.  (Allen J. Schaben / Los Angeles Times)

Snow covers the baseball field at Millville High School in New Jersey where Mike Trout played. Plans are in the works to rename the field in honor of the Angels’ All-Star center fielder.   (Kevin Baxter / Los Angeles Times)

Mike Trout’s high school in Millville, N.J., keeps a trove of Mike Trout memorabilia on display in its gymnasium.  (Kevin Baxter / Los Angeles Times)

Angels center fielder Mike Trout makes a diving catch during a game against the Seattle Mariners in September.  (Mark J. Terrill / Associated Press)

Angels slugger Mike Trout celebrates after hitting a two-run home run against the Seattle Mariners in August. Trout finished second in batting average in the American League in 2012.  (Elaine Thompson / Associated Press)

Mike Trout is once again having a stellar season for the Angels. Will he win the American League MVP award in 2013 after finishing runner-up last year?  (Allen J. Schaben / Los Angeles Times)

Mike Trout catches a fly ball in center field during a game against the Kansas City Royals in July 2014.  (Chris Carlson / Associated Press)

Mike Trout celebrates after hitting a solo home run during a June 2014 game against the Kansas City Royals.  (Larry W. Smith / EPA)

Angels center fielder Mike Trout celebrates after hitting a run-scoring triple during the first inning of the 2014 MLB All-Star Game at Target Field in Minneapolis.

Angels center fielder Mike Trout celebrates after being named the 2014 All-Star Game MVP after leading the American League to a 5-3 win at Target Field in Minneapolis.

Angels outfielder Mike Trout hits a run-scoring single against the Kansas City Royals on April 11, 2015.

Angels outfielder Mike Trout slides back to first on a pickoff attempt during a game against the Kansas City Royals on April 12, 2015.