Northwest League. Zunino spent six weeks with the Aquasox in 2012, batting .373 with 10 home runs and 35 runs batted in (RBIs). He was promoted to the Jackson Generals of the Class AA Southern League on August 13. In 15 games with Jackson, Zunino batted .333. After the regular season, Zunino played for the Peoria Javelinas of the Arizona Fall League (AFL). He batted .288 in 19 games for Peoria and appeared in the AFL Rising Stars Game. Zunino opened the 2013 season as a member of the Tacoma Rainiers of the Class AAA Pacific Coast League. He batted .238 with 11 homers and 43 RBIs with 59 strikeouts in 185 at-bats for Tacoma through June 10. Seattle Mariners (2013–2018) The Mariners promoted Zunino to the major leagues on June 11, 2013. He made his first major league start the next day and singled in his second at bat, on an 0–2 pitch. On June 14, Zunino hit his first career home run on his third at bat. Against the Chicago Cubs on June 28, Zunino collected the first walk-off hit of his career. On July 25, Zunino broke his hand and was placed on the 15-day DL. He returned in early September, getting the bulk of the starts to end the season. In 52 games with the Mariners, he hit .214/.290/.329 with five home runs and 14 RBIs. Zunino batted .199 in 2014 with 22 home runs, but struck out 158 times and only walked 17 times, with an on-base percentage of .254. In August 2015, the Mariners demoted Zunino to Tacoma. He was hitting .174 with 132 strikeouts in 112 games played at the time, and remained in Class AAA for the final month of the season. After the signing of Chris Iannetta, Zunino began the 2016 season in AAA. He was called up briefly in late June, but returned to the minor leagues in early July. He finished with a .207 batting average in 55 games with 12 home runs. Zunino established career highs offensively in 2017 in each statistical offensive category. He took a step back in 2018, hitting .201 with 20 home runs and 44 RBIs. On May 8, he caught James Paxton's no-hitter against the Toronto Blue Jays, a 5–0 victory. Tampa Bay Rays (2019–2022) On November 8, 2018, the Mariners traded Zunino to the Tampa Bay Rays along with Guillermo Heredia and