Former Indianapolis 500 winner Alexander Rossi is this IndyCar season’s top pending free agent. The current Andretti Autosport has currently in the middle of a Dale Earnhardt Jr. 2008-2012-esque dry spell, but the talent has always been undeniable. With all of that said, a change of scenery could be for the best for all involved parties, and Rossi may have taken that liberty. Jenna Fryer of the AP, in a piece released last night regarding Pato O’Ward, revealed that Rossi has allegedly signed on with the Arrow McLaren SP team. She also goes on to say there are “conflicting answers from all part…