This article is part of our Fantasy Baseball Injury Report series.
It's time for my annual reminder that the month of September complicates injuries in fantasy baseball. At the start of the month MLB rosters expand from 25 players to 40. The extra players at the end of the bench make it even more important for fantasy owners to pay attention to day-to-day injury reports as players nursing minor issues are more likely to receive a day off to recuperate. Additionally, the impact of the disabled list becomes diminished while the conclusion of the minor league season eliminates most true rehab assignments. These resulting consequences of roster expansion require constant vigilance, especially for those teams entering the fantasy postseason or jockeying for late-season positioning. However, this season will be the last time fantasy owners will have to navigate a 40-man roster as the rule will be eliminated in the 2020 season. Rosters expansion will be limited to 28 slots next year with additional restrictions placed on the number of pitchers each team can field.
With that warning out of the way, let's take a look at the injuries effecting the week ahead.
The Royals shortstop returned to the lineup with a bang, finishing with his first four-hit game of the season while stealing three bases. Mondesi had missed the last 40 Royals games after partially dislocating (subluxing) his left shoulder. Rehab following a shoulder subluxation often has the athlete focus on the muscles surrounding the joint to naturally stabilize the area. Mondesi's treatment apparently went smoothly but the Royals