OhioDaily reports that Cuyahoga County Commissioner Peter Lawson, a Democrat, is planning to file paperwork for the 2010 Ohio Senate race.

Lawson would be joining Ohio Secretary of State Jennifer Brunner and Lt. Gov. Lee Fisher on the Democratic side in the race, while former Rep. Rob PortmanRob PortmanRyan tries to save tax plan Rift in GOP threatens ObamaCare repeal Overnight Tech: GOP split on net neutrality strategy | Trump's phone worries Dems | Bill in the works on self-driving cars MORE appears to have the Republican primary all to himself.

Current Sen. George Voinovich (R) has announced he will not seek re-election.

jeremy.jacobs@thehill.com