[2] Undrafted, Will returned to the Czech Republic, signing a two-year contract to newly relegated BK Mladá Boleslav of the 1. národní hokejová liga.

He later recorded his first career AHL win against the Toronto Marlies on 30 November 2014, before he was assigned to earn more time in the crease with secondary affiliate, the Fort Wayne Komets of the ECHL.

[8] With Pickard struggling with illness, Will made his NHL debut in relief with the Avalanche that same night, appearing in 18 minutes of ice time and stopping 2 of 3 shots in a 6-1 defeat to the San Jose Sharks.

[11] Securing the role as starting goaltender, Will registered an impressive 23 wins from 34 games, helping Rögle finish the regular season in third place, their highest position in franchise history.

On 15 April 2020, Will was released from his contract with Rögle to take up a lucrative two-year offer from Russian club, Traktor Chelyabinsk of the Kontinental Hockey League (KHL).