Scarbrough is one of a number of Tide players finishing their junior year and eligible to enter the National Football League draft.
"Having been thoroughly prepared for that next step", he wrote, "I am truly ready".
Ridley was Alabama's top receiver since he first set foot on campus as a freshman in 2015 when he caught 89 passes for 1,045 yards and seven touchdowns.
Ridley finished with 2,781 yards on 224 catches, which is second all-time for Alabama behind Cooper once again.
On Tuesday, Saban said he met with seven potential early entrants to the draft about their decisions.More news: Serena Williams was bed-ridden for six weeks after giving birth
After a quiet freshman season, the running back out of Northport, Al. had his most productive campaign as a sophomore, rushing for 812 yards and 11 scores on 125 carries.
Payne had an interception against Clemson and registered six tackles in the come-from-behind win over Georgia that secured the school's fifth national title in nine seasons.
Going into the national championship game with Georgia, Harris led the SEC with an average of 8.2 yards per carry. He caught the game-tying touchdown in the fourth quarter.
WHNT News19 first reported about Scarbrough turning pro.
Scarbrough averaged 5.7 yards per carry over his three years at Alabama.