Pineapple Crumb Cake

Name: Pineapple Crumb Cake
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: American
Ingredients: 1/2 cup all-purpose flour; 1/2 cup brown sugar; 1/4 cup salted butter, softened to room temperature; 1/2 cup chopped pecans; 20 ounce can crushed pineapple (do not drain), (divided use); 1 box lemon cake mix ((or pineapple)); 3 large eggs; 1/3 cup vegetable oil; 1 cup powdered sugar; 2 Tablespoons milk; 4 teaspoons reserved pineapple juice