Phillies manager Rob Thomson announced on Monday that Bryce Harper will begin a rehab a signment with Lehigh Valley on Tuesday. He could return to the Phillies lineup as early as next Monday, per 's Matt Gelb.The Phillies also Jordan Crawford Jersey made a roster move prior to Monday night's game, designating reliever Tyler Anthony Davis Jersey Cyr for a signment, and adding southpaw Michael Pla smeyer to the active roster.Cyr gave up a solo shot to Brandon Nimmo in the ninth inning of Sunday's lo s to the New York Mets, it was his lone appearance with the Phillies.Scroll to ContinuePla smeyer, who came to the Phillies in a minor league swap with the San Francisco Giants, adds length and accuracy to Philadelphia Zion Williamson Jersey 's bullpen. The soft-to sing left-hander has been stellar with the IronPigs Derrick Favors Jersey in Triple-A, to sing a 2.83 ERA acro s 11 starts, while walking just 15 batters in that span. The 25-year-old boasts an impre sive career 2.2 walks-per-nine rate in his minor league career.It will be interesting to see how the Phillies utilize Pla smeyer, as well as how long he remains on the active and 40-man roster. He has seen a good deal of Josh Hart Jersey succe s under the guidance of the Phillies' development staff.More From SI's Inside The Phillies: