The CEO of Dick’s Sporting Goods is reportedly considering a presidential run as a third-party candidate.

Politico reports that Ed Stack, a longtime Republican donor, is exploring whether to enter the crowded 2020 field and has tested various messages to focus group in Wisconsin.

The focus group participants were asked to compare Stack in three-way races against President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE and either of the two 2020 Democratic front-runners, former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE or Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.).

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Messaging in the focus group reportedly focused on Stack's “leadership” after he said Dick’s destroyed more than $5 million worth of guns when his company made the decision to no longer sell assault-style rifles following the mass shooting at Marjory Stoneman Douglas High School in Parkland, Fla.

An unidentified focus group participant who spoke to Politico said others in the group cited Stack’s age as a concern.

“[Focus group members] mentioned that if Biden’s getting the criticism that he looked old, Ed Stack didn’t look young either,” the participant said.

Stack, at 64 years of age, is younger than Trump, Biden and Warren.

The participant added that some in the focus group felt Stack “didn’t have the charisma it would take to attract a coalition that you’d need to have a chance as a third-party candidate.”

A source close to Stack downplayed his interest in a presidential bid, telling Politico: “Mr. Stack enjoys running Dick's Sporting Goods and has no plans to run for any elected office.”

Stack in recent weeks has made several speaking appearances in support of his new book, “It’s How We Play the Game.”

Last week, he also called out Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellDemocratic senator to party: 'A little message discipline wouldn't kill us' House to vote on resolution affirming peaceful transition of power Republican lawyers brush off Trump's election comments MORE (R-Ky.) for not bringing the House-passed gun reform bill to the Senate floor for a vote.

"I wish he'd have the guts to bring it to a vote," Stack told Business Insider.

Fellow billionaire Howard Schultz, the former Starbucks CEO, briefly jumped in the 2020 race as an independent before officially ending his bid in September.