Colorado Rockies vs. Seattle Mariners MLB Pick Prediction 4/15/2023 by Tony T.
Rockies at Mariners—Ryan Feltner to start for Colorado. Feltner in 20 appearances in 2022 had an ERA 5.83 with WHIP 1.41. The righthander has two starts on the season allowing eight earned runs with eight walks in 9 2/3rd innings.