The Guardians plan to call up Allen from Triple-A Columbus to start Sunday's game versus the Marlins, Ryan Lewis of the Akron Beacon Journal reports.

EDGE Analysis

His call-up is pending on the weather, as Sunday's game could be at risk of postponement much like Friday's series opener with Miami. Allen, 24, is off to a great start at Columbus, posting a 1.26 ERA and 20:5 K:BB over 14.1 innings covering three starts. With Triston McKenzie (shoulder) and Aaron Civale (oblique) on the shelf and Cal Quantrill (leg) also banged up, Allen could have a chance to stick around a while if he pitches well in his MLB debut.