From the video

Drake London after him. The problem with London is not the targets, it's the efficiency... He's never cleared 8.2 in a season... He's either going to have Tua at quarterback, uh, who's not going to push the ball downfield... until he is paired with even an average, but hopefully slightly above average quarterback, the ceiling just isn't as high as the wide receivers going above him.
STACKED’s take
QB play limits ceiling despite solid targets; efficiency stuck at 8.0 Y/T.
Ceiling capped by QB play, not targets. Posted 8.0 yards per target and has never cleared 8.2 in a season, consistently hovering around 8.0—well below elite WRs like Jamar Chase (8.9), Puka Nacua (9.7), JSN (9.0), Justin Jefferson (9.7), and CeeDee Lamb (8.9). With either Tua Tagovailoa (who doesn't push the ball downfield) or Will Levis coming off his third torn ACL, London lacks QB support to match ceiling of WRs above and around him. JJ Zachariason typically opts for RB or Brock Bowers in round-2 range instead of London because QB play prevents him from burning you but also limits upside. London is a great WR, but until paired with at least an average, preferably above-average QB, ceiling remains limited.
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