Jannis will make his Ducks debut in 2015. He comes to the Ducks after splitting time in 2014 with the Lake Erie Crushers of the Frontier League and the Southern Maryland Blue Crabs of the Atlantic League. He made 12 starts with Lake Erie, going 3-4 with a 4.45 ERA and 57 strikeouts in 64 and two-thirds innings. Upon shifting to Southern Maryland, the Nevada native compiled a 4-1 record over 10 starts with a 2.37 ERA, one complete game and 36 strikeouts in 57 innings of work.

The right-hander began his career in the Tampa Bay Rays organization, reaching as high as Single-A Charlotte. He went on to pitch with Lake Erie in 2012 and 2013 and made 10 appearances with the Bridgeport Bluefish in 2013. Overall, the 27-year-old knuckleballer has a 24-20 career record with a 3.14 ERA, 14 saves and 311 strikeouts in 139 games (37 starts). Jannis was originally drafted by the Rays in the 44th round of the 2010 amateur draft.