Emerson returned to Tacoma’s lineup after suffering a foot contusion over the weekend and didn’t show any signs of rust, reaching base safely in three of his four plate appearances. The 20-year-old top prospect continues working at third base in preparation for his major-league debut at some point later this season but he still projects as Seattle’s shortstop of the future, especially after signing a record eight-year, $95 million contract extension earlier this month.