Red Sox closer Aroldis Chapman was unavailable Sunday after he pitched on back-to-back days. Manager Alex Cora instead used Greg Weissert.

The Red Sox are on the verge of adding some much-needed pop at first base, as the club is close to finalizing a deal with veteran free agent Nathaniel Lowe, a source told MLB.com. The team has not confirmed the agreement.

Why would the Sox want him? Because right now, second base has been truly unfilled since the days of Dustin Pedroia. Right now, they split Ceddanne Rafaela and Romy Gonzalez at second, but Rafaela struggles to hit while playing second, and Gonzalez is a very good bench player, but not an everyday starter.

The Boston Red Sox are adding veteran first baseman Nathaniel Lowe after the Washington Nationals designated him for assignment, according to ESPN's Jeff Passan.

The Boston Red Sox lost first baseman Triston Casas to a devastating knee injury in May. The 25-year-old had struggled early in the season, but carried high expectations to return to his prior form in which he put up a 129 and 124 OPS+ in 2023 and 2024 respectively.

Baltimore and Boston meet for a short two-game series in Boston. The season series is tied between the two teams at 4-4 through games. However, the Orioles have been the slightly hotter team recently at 4-1 over the last five games compared to the Red Sox who are 3-2.

The Red Sox lost to the Miami Marlins on Sunday afternoon, but Jarren Duran continues to make an impact up and down the stat sheet.

As Boston Red Sox fight to make the postseason, September additions to their roster that could produce a high-priced odd man out.