Alfonso Rivas III is a Mexican-American professional baseball first baseman and outfielder who is a free agent. He has previously played in Major League Baseball for the Chicago Cubs, San Diego Padres, and Pittsburgh Pirates. From Wikipedia
Bolton, with a 6.33 ERA in his rookie season, heads to Mariners for cash; Rivas, Marcano and Capra claimed off waivers after contributing varied performances in Pirates' 2023 season.