Pineapple-Mint Mojito

INGREDIENTS

• 3/4 sugar
• 1 (packed) fresh mint leaves
• 1/4 pineapple, peeled, cored, cut into 1-inch pieces (about 1 1/2 cups)
• 1/4 pineapple, peeled, cored, cut into1-inch pieces (about 1 1/2 cups)
• 4 limes, each cut into 8 wedges, divided
• 1/2 (packed) fresh mint leaves
• 2 light rum
• Club soda (for serving)