The 30-year-old backstop will join the big club to replace Sebastian Rivero, who landed on the injured list Wednesday with a hamate fracture. Porter has slashed .241/.292/.362 with 10 RBI and nine runs in 65 plate appearances at Triple-A this season, though he hasn't played since signing a minor-league deal with the Angels last week. He isn't likely to see much playing time with the big club either behind regular starter Logan O'Hoppe.

The transaction won't be made official until shortly before the Angels' game against the Astros later Wednesday, but Porter could be joining the big club as a replacement on the active roster for fellow catcher Sebastian Rivero, who exited Tuesday's 10-1 win with a left hand injury. The 30-year-old Porter saw action in five games at the big-league level with the Giants in 2025 but had played exclusively with San Francisco's Triple-A affiliate in Sacramento this season, producing a .654 OPS across 65 plate appearances before electing free agency last week. Porter is likely to see limited playing time behind top backstop Logan O'Hoppe while he's up with the Angels.