Chargers receiver Mike Williams finding his ‘groove’ in training camp

COSTA MESA — Mike Williams has something to prove.
A year ago, the Chargers’ first-round pick was stuck on the sidelines at Jack Hammett Sports Complex, hampered by a herniated disc in his lower back. Missing those reps turned out to be costly. Williams eventually made 10 appearances in 2017 but, robbed of his rookie training camp, he ever became a vital part of the offense.
When the season ended on New Year’s Eve, the receiver had just 11 catches for 95 yards. For a No. 7 over