Mets will attend Jake Arrieta's throwing session on FridayArrieta had 5.08 ERA in 2020 with the Phillies1/28/2021, 8:30 PMColin MartinFreelance Editorial ProducerAndy MartinoMLB InsiderAug 30, 2020; Philadelphia, Pennsylvania, USA; Philadelphia Phillies starting pitcher Jake Arrieta throws a pitch during the second inning against the Atlanta Braves at Citizens Bank Park. Mandatory Credit: Bill Streicher-USA TODAY Sports / © Bill Streicher-USA TODAY Sports