Naylor showed last season that stolen bases are more about instincts and reading the opposing pitcher than anything else, swiping 30 bags in 32 attempts despite ranking near the very bottom of the sprint speed leaderboard. It was a surprising surge in the SB category to say the least for a first baseman that had never previously exceeded 10 steals in a season. Stolen bases aside, Naylor also smacked 20 homers in 147 regular-season games between Arizona and Seattle, hitting above .290 at both stops. The lefty slugger added three homers and a .967 OPS in the playoffs, recording four three-hit games between the ALDS and ALCS. Naylor quickly re-upped with the Mariners, inking a five-year deal to remain in Seattle. The home park is a big negative on paper, but Naylor is clearly comfortable there, and they let him run to his heart's content. At 28 years old, he has surpassed 90 RBI each of the last three years and remains in a great position to produce runs hitting behind the likes of Julio Rodriguez and Cal Raleigh. Read Past Outlooks