The Rays activated Williamson (back) from the 10-day injured list Friday, Marc Topkin of the Tampa Bay Times reports.
With Williamson returning from his lower-back strain, Carson Williams is being sent back to Triple-A Durham. Williamson last played May 12 and has slashed .268/.349/.339 with zero homers, 14 RBI, 19 runs scored, four stolen bases and a 14:24 BB:K across 127 plate appearances this season while mainly seeing action at second base.