The Seattle Mariners have made their second trade ahead of the trade deadline on Thursday. Many reports had stated that the Mariners were in the market for bullpen arms.

The Seattle Mariners bolstered their bullpen by acquiring veteran left-hander Caleb Ferguson from the Pittsburgh Pirates in one of several roster moves on Wednesday.

The opportunity to do something at the trade deadline is there, and the Mariners appear determined to seize it. But the M's aren't desperate, either.

It's MLB trade season! From the early deals to get things started to the last-minute rush of deadline day activity on Thursday, this is your one-stop shop for grades and analysis breaking down the details for every trade as they go down.

Here are the four teams that are considered the frontrunners for Diamondbacks star Eugenio Suarez, considered the most coveted slugger.

This affiliate content is not influenced by our advertising relationships, but AP and Data Skrive might earn commissions from our partners’ links in this content.