The 87th Midsummer Classic will be played at Petco Park.
Former All-Star pitcher Josh Johnson is staying with the San Diego Padres after missing the 2014 season.
The team introduced four-fifths of their big haul from general manager A.J. Preller's busy December wheeling and dealing.
Baseball writers elected four players for the first time since 1955.
San Diego obtained reliever Brandon Maurer in exchange for Smith.
Matt Kemp due $107 million of a $160 million contract he signed in 2012.
The 27-year-old hit .270 last season, with 29 home runs.
It's the fifth big trade Padres general manager A.J. Preller has made in just more than a week.
Wil Myers was AL Rookie of the Year in 2013 for Tampa Bay.
Brandon Morrow pitched in 13 games, including six starts, for Toronto in 2014, going 1-3 with a 5.67 ERA.
The Padres submitted a bid last month to host the annual contest, which is normally held in the middle of July.
The Dodgers will pay $30 million of the $107 million remaining on Kemp's contract.