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President Donald Trump was the unofficial third person onstage at Wednesday's Michigan U.S. Senate debate, as Democrat Abdul El-Sayed repeatedly invoked him while seeking to cast Republican Mike Rogers as Trump's "sock puppet."

El-Sayed mentioned Trump 18 times during the hour-long debate and repeatedly called Rogers' responses "MAGA bingo," accusing the Republican of relying on Trump-aligned talking points. Rogers, however, broke with Trump on a couple of trade issues.

The phrase became a running theme throughout the night, with El-Sayed declaring "MAGA bingo" after Rogers accused him of supporting socialist policies, open borders and defunding the police. Rogers eventually turned the attack back on his opponent, suggesting that the real bingo game was every time El-Sayed included Trump in his answer.

Rogers, however, did not align with Trump on every issue.…