Ranking spring NCAA football transfer portal classes: Top schools

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Spring football is well in the rearview mirror and so is the spring transfer window. While there is still time for spring portal entries to commit before the start of preseason camp, most big names have already announced their new destinations and fall rosters have been shaped.

Whether it is established players seeking bigger opportunities or former prospects seeking fresh places, the portal continues to affect the landscape of college football in a major way. Quantifying the portal's impact on various programs can be difficult. Schools take different approaches to building their rosters, with some leaning more heavily on the portal than others, so portal rankings alone often don't tell the whole story.

Here's a look at the 10 classes that made the biggest impact with spring transfers: