Alarcón had just completed a six-game suspension for violating the NFL's policy on performance-enhancing substances.
The 49ers now turn their focus to Sunday's matchup against the Atlanta Falcons at Levi's Stadium, as they look to improve on their 4-2 record and maintain their slim lead in the NFC West.
More San Francisco 49ers News
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49ers announce roster moves as rookies report to training camp
The San Francisco 49ers announced a couple of roster moves on the same day that rookies reported to training camp. They have signed punter Jack Bouwmeester to a three-year deal. In addition, the team has placed tight end Khalil Dinkins on the active/non-football injury... -
49ers' biggest roster hole entering training camp identified by CBS Sports
The San Francisco 49ers made sweeping changes to their roster this offseason. While the additions of wide receivers Mike Evans and Christian Kirk generated most of the headlines, the team also focused on strengthening its defense. CBS Sports' Josh Edwards recently identified... -
49ers' most glaring roster weakness: Why safety is a 2026 concern
49ers Webzone writer Bob Heyrman recently ranked the San Francisco 49ers' position groups heading into training camp, placing safety at the bottom of the list and identifying it as the team's biggest concern. "Perhaps they surprise us, and I will gladly revisit that assessment... -
49ers roster battles: The undrafted rookie sleepers to watch
Every year, one or two undrafted rookies force the San Francisco 49ers to rethink their roster. From Matt Breida and Emmanuel Moseley to Jordan Mason, Jeff Wilson, Jr., and Azeez Al-Shaair, the 49ers have seen rookies earn opportunities after entering the league without hearing...