Pirates — 59.3-45.6 (.565) ⬆️Biggest Weekly Storyline: The Pirates acquired reliever Ron Marinaccio from San Diego in exchange for signing bonus pool considerations. Cubs — 57.0-47.0 (.548) ⬆️Biggest Weekly Storyline: The Cubs are on pace to shatter the franchise record for walks by hitters (656 walks in 2016). Nationals — 53.8-51.2 (.512) ⬆️Biggest Weekly Storyline: Starter Cade Cavalli threw six strong innings on Wednesday. Orioles — 52.3-52.7 (.498) ⬆️Biggest Weekly Storyline: Starter Kyle Bradish shut down the Red Sox to end Boston’s 15-game winning streak. Giants — 50.0-54.0 (.481) ⬆️Biggest Weekly Storyline: First baseman Rafael Devers hit a clutch walk-off single in extra-innings on Friday.