The Rays optioned Williams to Triple-A Durham on Thursday.
The Rays designated Martin for assignment Thursday.
The Rays optioned Grove to Triple-A Durham on Thursday.
The Rays recalled Scholtens from Triple-A Durham on Thursday.
Hicks went 3-for-5 with a double and a three-run home run in Wednesday's 8-4 win over the A's.
Rasmussen (12-5) picked up the win in Wednesday's 8-4 victory over the A's, allowing two runs on four hits and a walk over five innings. He struck out three.
Baz (4-12) took the loss Wednesday, coughing up five runs on nine hits and a walk over three innings as the Orioles fell 7-5 to the Twins. He struck out two.
Mateo signed a major-league contract with the Rays on Wednesday, Francys Romero of BeisbolFR.com reports.
Orioles manager Craig Albernaz said that Pozo (finger) will be available off the bench for Wednesday's game in Minnesota, Matt Weyrich of The Baltimore Sun reports.
Simpson is out of the lineup for Wednesday's contest versus the Athletics, Marc Topkin of the Tampa Bay Times reports.
