Tower Motorsport by Starworks has become the latest LMP2 causality, having confirmed its withdrawal from next weekend's IMSA WeatherTech SportsCar Championship round at Road America and likely the remainder of the sprint races, sportscar365.com reports.

Starworks Motorsport will return to prototype competition in 2020, having committed to a IMSA Michelin Endurance Cup program with Ryan Dalziel, John Farano and Heinemeier Hansson in an Oreca 07 Gibson LMP2 car. The Florida-based team will run under the Tower Motorsport by Starworks banner, sportscar365.com reports.

Starworks Motorsport has withdrawn from this weekend's Michelin GT Challenge at Virginia International Raceway, following continued challenges for the team and its Audi R8 LMS GT3 Evo, sportscar365.com reports.

Starworks Motorsport will make its return to IMSA competition next year, having announced a full-season Audi R8 LMS GT3 Evo entry for Dalziel. Parker Chase, meanwhile, has been confirmed for the four Michelin Endurance Cup races and potentially stepping in as the second full-season driver, sportscar365.com reports.