ˈæftɚ bˌiːɪŋ ɹᵻlˈiːst baɪ ðə dʒˈaɪənts, mˈɛsɪndʒɚ sˈaɪnd ɐ mˈaɪnɚ lˈiːɡ kˈɑːntɹækt wɪððə siːˈæɾəl mˈæɹɪnɚz ˌɔn dʒuːlˈaɪ ɪlˈɛvən, , ænd wʌz ɐsˈaɪnd tə ðə tɹˈɪpəlɐ tækˈoʊmɚ ɹˈeɪnɪɹz ɡˌoʊɪŋ sˈɪks zˈiəɹoʊ wɪð wˈʌn sˈeɪv ænd ɐ tˈuː.θˈɜːɾi ˈeɪt ˌiːˌɑːɹɹˈeɪ ɪn twˈɛlv ˈaʊɾɪŋz wɪð tækˈoʊmə.
After being released by the Giants, Messenger signed a minor league contract with the Seattle Mariners on July 11, , and was assigned to the Triple-A Tacoma Rainiers going 6–0 with one save and a 2.38 ERA in 12 outings with Tacoma.