Royce Lewis is in a deep funk right now. Since returning from the injured list on April 21, Lewis has gone 5 for 41 with one home run, one walk, and 15 strikeouts. That's a .122 batting average and .354 OPS, and the eye test has shown a player who looks uncomfortable and unsure of himself at the plate. For the season, Lewis is hitting .169 with three homers and a .581 OPS in 89 plate appearances. In an attempt to help him shake out of this skid, Twins manager Derek Shelton has given Lewis consecutive days off this week. He didn't play on Wednesday night and remained out of the lineup for Thursday's matinee game against the Nationals, with Tristan Gray starting at third base both times. Shelton called it "a chance to work on his swing, kind of reset, and get out there ready to go tomorrow," according to Twins.TV sideline reporter Audra Martin. Lewis, who has always been rather open and candid when talking to the media, knows he doesn't have forever to turn his season around.…