Montero, 23, hit .208 (21x101) with 6 runs scored, 1 double, 1 triple, 3 home runs and 9 RBI in 29 games with the Mariners this season. The Mariners were 15-10 in games when Montero started behind the plate.
Montero hit .206 in April (17 games), and was hitting .211 in May (12 games). His 3 home runs all came in Felix Hernandez starts, including a go-ahead solo blast May 8 at Pittsburgh off A.J. Burnett.