Brentford loanee Darwin Guagua scored his first goal for Mérida as the Spanish side defeated Bilbao Athletic 2-0 in the Primera Federación on Sunday.
The 19-year-old was introduced in the 58th minute at Estadio Romano José Fouto and doubled his side's advantage late on, finishing a counter attack following a pass from Hugo Carrillo.
Carlos Doncel had given Mérida the lead from the penalty spot after just seven minutes, following a foul that saw Bilbao Athletic's Beñat Larrea sent off.
Despite playing with 10 men for much of the contest, the visitors threatened an equaliser before Guagua's strike secured all three points.
In Scotland, Ben Krauhaus came off the bench as Falkirk recorded an emphatic 5-2 victory over Hearts at Tynecastle Park in the Scottish Premiership.
The Bairns raced into a four-goal lead before half-time through Finley Barbrook, Owen Eames, Jacob Murrell and Liam Henderson, with Murrell adding his second shortly after the restart.
Krauhaus replaced Brad Spencer after 57 minutes, with Falkirk inflicting Hearts' first league defeat in 28 games and climbing to third in the table.
In the Emirates FA Cup first round, Matt Cox kept a clean sheet as Barnet defeated Tranmere Rovers 3-0 at The Hive.
The goalkeeper made an important second-half save to deny Charlie Whitaker before late goals from Kane Smith, Nnamdi Ofoborh and Damola Ajayi secured Barnet's place in the second round.
Josh Stephenson also progressed in the competition, playing the full 90 minutes as Crewe Alexandra defeated AFC Wimbledon 2-1 at Mornflake Stadium.
Charlie McNeill opened the scoring after 12 minutes before Conor Thomas doubled Crewe's advantage shortly after the hour. Andy Yiadom pulled one back for Wimbledon, but the hosts held on.
Julian Eyestone was an unused substitute as Rotherham United secured a 2-0 victory at Bromley, courtesy of goals from Sonny Aljofree and Tom Bradshaw.
In the Sky Bet Championship, Romelle Donovan played the full 90 minutes as Sheffield United suffered a 2-1 defeat at Charlton Athletic.
Millenic Alli opened the scoring for the Addicks before Jordan Ayew headed home following a free-kick won by Donovan, but Matty Godden struck the winner 11 minutes from time.
Donovan had registered an assist in the Blades' previous fixture, setting up Sydie Peck to complete his hat-trick in a 3-2 victory over Preston North End on Tuesday evening.
Jayden Meghoma started for Portsmouth in their 2-1 home defeat to Stoke City. The left-back, who was replaced after 75 minutes, created a first-half opportunity for Regan Poole, but Pompey were unable to hold on to their early lead.
Fellow Bees loanee Benjamin Arthur was not involved, having been sidelined with a back injury since September.
Yunus Emre Konak played 73 minutes as Lincoln City fell to a 2-1 defeat against Queens Park Rangers at Loftus Road.
Dominic Jefferies cancelled out Richard Kone's early opener, but Glen Kamara struck 10 minutes from time to secure victory for the hosts.
Finally, Michael Olakigbe started for WSG Tirol in their 1-1 draw with Austria Wien in the Austrian Bundesliga.
Nikolai Baden Frederiksen opened the scoring after 16 minutes before Aleksandar Dragović equalised shortly before half-time. Olakigbe was replaced after 64 minutes.