You might call it a case of the guppy swallowing the whale. Genesco (GCO), owner of Journey's and Lids stores, announced Monday that it would be bought out by Finish Line (FINL), a company half its size. Finish Line's $1.5 billion bid tops retailing giant, Foot Locker's (FL), $1.2 billion offer. What's the play on this M&A at the mall?

Karen Finerman says Finish Line bet the ranch on this deal and it’s a bit risky because they’re taking on a ton of debt. She recommends shorting Finish Line and Genesco and getting long Foot Locker.

Jeff Macke and Guy Adami both agree.

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