Toluca Vega made his senior team debut on 27 February 2016 coming on as a substitute in a home
league match against
Pachuca. On April 5 he scored his first professional goal for Toluca in the
Copa Libertadores against Ecuadorian club
Quito, the game ended 2–1 and Toluca qualified to the tournament's
Round of 16. On 16 April, Vega scored his first two goals in the league against
Veracruz in a 4–1 home victory.
Guadalajara On 8 December 2018, Vega joined
Guadalajara for a reported fee of US$9 million, making his transfer one of the most expensive in the club's history. After playing six games without any goals and going three straight games without any wins, on 16 February 2019, Vega managed to score 3 goals in the 3–0 victory against
town rivals Atlas, his first career
hat-trick. Prior to the start of the
Apertura 2021, Vega was given the number 10 jersey. In May 2022, Vega extended his contract until 2024, becoming the highest paid player in the club's history.
Return to Toluca On 17 January 2024, Vega's repeated disciplinary issues at Guadalajara led to his transfer to Toluca. On 8 March 2025, after trailing behind two goals against
Necaxa, Vega scored a
hat-trick, finishing the match at 5–2. Vega helped Toluca to win the
Clausura 2025 league title, contributing an assist and a goal via
penalty kick in the
finals against
América, for an aggregate 2–0 victory. At the end of the
season, he was the team's top scorer with 13 goals and 11 assists. He was included in the tournament's best XI and was awarded Best Attacking Midfielder and Goal of the Year by the league. ==International career==