Alex Palou and Alexander Rossi tested the IR28 on the IMS oval, the Indy 500 track. Here's what we learned from that, plus the latest on silly season rumors and news from IndyStar motorsports insider Zion Brown and sports editor Aaron Ferguson. Seven seats are yet to be confirmed, including Chip Ganassi Racing's No. 9 seat.

Alex Palou, Dennis Hauger and Nikita Johnson join The Inside Line
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Pato O'Ward sweeps Milwaukee, Alex Palou clinches IndyCar championship as rain impacts schedule
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Freedom 250 was a special event, showing importance of IndyCar near Northeast
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