It's possible for anyone that has P5 talent. Miami has been notorious for WR's having breakout junior or senior seasons after being quiet early on.
Hankerson had a big jump his junior year and another for senior year.
Berrios had more receptions senior year than fresh-junior
Hurns basically doubled his stats his senior year
Harley 7 TD's in 20, 3 in 19. 0 17-18.
More press from your own defense in spring and camp will separate the WR's from each other before the games start, but it won't make grown men more physical. Physicality is a choice.
Want to improve your catching? Improve your vision and cognitive recognition.
Tennis ball gun > jugs machine.
Have one X yards away and to the right, one 3X yards away and on the left.
Have someone randomly shoot a ball forcing your eyes to focus on both, then track at different angles and distances to correct gun.
Then work the drill from your back (feet to gun, and head to gun), get to your feet, catch the tennis ball from a random gun.
Then switch which guns is further / closer and start over.
The GOAT Drill would be better time spent than smoking Perry's arm and giving him even worse mechanics.
REAL Agility drills (stay off that stupid ladder) requiring the athlete to see, react, and move