 Complete the following phrase:  In 2018, some MLB teams began experimenting with an opener  a pitcher who is normally a reliever that starts the game for an inning or two before yielding to someone who would normally be a starter. One advantage of this approach is that the opener, who is often a hard-throwing specialist, can be called in to face the most dangerous hitters, who are usually near the top of the batting order, the first time they come to bat. Although the opener has only been formally regarded as a relief role in 2018, managers have sporadically used a reliever before a starter. A good example is Game 6 of the 