Contenders are buying, pretenders are selling and high profile players are changing teams.

Oakland is tooled up for a postseason run

Marte, a one-time All-Star and two-time Gold Glove Award winner, is heading to Oakland

The lefty holds a 2.06 ERA and has struck out 37 batters over 39.1 innings this season

Baseball just had its own personal showcase in Denver over the last couple of days with the Major League All Star Game

Olson will face defending champion Pete Alonso, Shohei Ohtani, Trevor Story & more during Monday night's festivities

Olson will be headed to Colorado for his first-ever appearance in the Midsummer Classic

The Oakland A’s have played exactly half of their 2021 season.

A's first baseman Matt Olson is having an MVP-type of start to the 2021 season

Oakland will return to the Coliseum for a six-game home-stand beginning on Tuesday afternoon