​The Boston Red Sox ended the first half on a nine-game winning streak, and the postseason no longer looks like a pipe dream. Adding a player like Luis Arraez to the lineup could help them make a real run.The team is only 1 1/2 games out of a wild card spot, and could be getting key players like Roman Anthony and Garrett Crochet back at some point. However, they still have flaws, and the question is whether they have done enough to buy at the trade deadline.AdvertisementAdvertisementAdvertisementCraig Breslow has remained optimistic about his team despite some early woes. The team could really use help in the middle infield with Trevor Story and Marcelo Mayer both hurt. Not to mention, neither was playing great anyway. Arraez is a four-time All-Star, two-time Silver Slugger and three-time batting champ. He is one of the best hitters in baseball and is looking to make a push at his fourth batting title in the second half.Do you have a take to get off your chest? Do you want to engage in a growing Red Sox community? Comment on our content alongside staff and fans alike!He was an All-Star this season and will be a free agent after the year ends. He is slashing .330/.369/.460 and is having a career year on defense. He has always been known as a bad defender, but has shown significant improvement this year. He has a plus-10 outs above average, ranking in the 99th percentile.The Red Sox have a .704 OPS with runners in scoring position this year. Arraez is hitting .345 with a .771 OPS with runners in scoring position and adding him to the lineup should immediately increase scoring.More MLB: Dodgers Stars Disappoint In Sleepy MLB All-Star Game