Here are a few ways to rewrite the title “Gago y Necaxa buscarán su primera victoria del torneo”:

Focusing on the search for victory:

• Necaxa, led by Gago, aim for their first win of the season.
• Gago and Necaxa chase their first victory in the tournament.
• First win the target for Gago’s Necaxa in the competition.

Highlighting the lack of previous wins:

• Winless Necaxa and Gago look to change their fortunes.
• Necaxa and Gago desperate for their first victory of the tournament.
• After a winless start, Necaxa and Gago seek a breakthrough.

More straightforward and general:

• Necaxa hope to secure their first win with Gago at the helm.
• Necaxa and coach Gago aim for victory in the tournament.

The best rewrite will depend on the overall tone and style of the article.