Matthew Boyd - SP - 33 years old
Is this cheating? Maybe. He pitched a grand total of 13.1 innings for the Mariners, making up a paltry 1.53% of the innings he has thrown in his career from a Mariners uniform.
But, that's good enough to qualify him here, as he did don M's jersey during the 2022 season. He had a ton of success in that short time frame in Seattle, making it by far the best stop of his career, or best season of his career.
He struggled a bit in 2023, but the FIP shows reason for promise for Boyd, as the 4.35 should be looked at much closer there than it should for the 5.45 ERA he had. His league rates look good, sitting at average or just better in BB rate, K rate, exit velo, and hard hit rate. He will be 33, but with less than a 1000 innings on his arm, that's not an overabundance whatsoever. Boyd should easily find a job as a long reliever or even as a back-end starter for a team in need of a starting pitcher.