2. Andre Drummond (Brooklyn Nets)
This offseason, the Spurs badly need to add some size and rebounding to the roster. NBA veteran Andre Drummond fulfills those needs, but he's still far from what San Antonio needs in an acquisition.
Approaching 29 years old, the 6-10 center's best days are behind him, and that's led to him being vulnerable on the defensive end against guard-heavy lineups. The Spurs badly need to upgrade their frontcourt in the lateral mobility department, as Jakob Poeltl is more of a paint protector while Zach Collins and Jock Landale don't have the quickest feet themselves.
Drummond would certainly help on the boards and could be a paint presence, but that's what Poeltl does already. Even though Andre is likely to leave Brooklyn, his addition wouldn't help the Spurs in areas in which they're the weakest.
Considering it would be on a cheap contract, calling his signing disastrous might be an exaggeration -- but it still wouldn't be a great choice.