Oscar De La Hoya isn't impressed with Donald Trump's taco salad tribute to Cinco de Mayo.
The boxer just joined the guys on "TMZ Sports" (airs Thursday on FS1) -- and addressed not only the taco salad situation ... but also the new footage of him praising Trump's golf skills.
Here's a teaser of the interview -- which airs tonight on FS1.
Oscar makes it clear he's not backing off his "Trump Is a Cheater" golf stance ... and has a huge problem with his taco salad.
Watch TMZ Sports -- weeknights at 9 PM PT on FS1.
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