But before we begin, I highly recommend you head over to mlbtraderumors.com and look at the list yourself. There are a lot of useful exercises for Mariners fans to go through in regards to who may unexpectedly become a free agent. But that’s another article for another day.
Instead, let’s focus on the Mariners list, which is 10 names deep. Remember, any player with more than 3 years of MLB service time can file for arbitration. Players in years 4-6 of their career submit a request for their salaries in the upcoming season. The team submits their proposal and if the two sides find common ground, the 2020 salary becomes locked in.