Mehta’s sources say that Marshall tested positive for Adderall.
Marshall, 21, wound up signing a three-year, $1.62 million contract with the Jets as an undrafted free agent out of Ohio State back in May of last year. He managed to make the 53-man roster coming out of the preseason and stands to make a base salary of $540,000 for the 2017 season.
In 2016, Marshall appeared in 10 games for the Jets and caught 14 passes for 162 yards receiving and two touchdowns. He also contributed 324 kick return yards and another 100 punt return yards last season.