The 23-year-old Palmer's two assists in five minutes during the second half turned the match around for Premier League club Chelsea and his efforts saw him named Player of the Match.
Betis's Chimy Avila hit the post with an acrobatic volley one minute later and both teams wasted several chances for the winner late on.
Bartra, who joined Dortmund for 8 million euros ($8.49 million) from Barcelona at the start of the season, was operated on for a broken wrist and shrapnel in his arm.
Costa, Alba excluded from Spain squad
German investigators are looking into the possibility that explosions targeting a bus carrying players of soccer club Borussia Dortmund may have been carried out by Islamists militants, the Sueddeutsche Zeitung newspaper reported on Wednesday.
With Barcelona already through to the Champions League last 16 as Group D winners, Pep Guardiola gave several young players from the club's academy a chance against Rubin Kazan on Tuesday and they did not disappoint.
The 28-year old suspect, a dual German and Russian national identified as Sergei V., had bought options on the day of the attack entitling him to sell shares in Borussia Dortmund at a pre-determined price.
A summary of sports events and sports persons, who made news on Thursday.
For all Vicente del Bosque's confidence that he has the right balance of experience and youth to return Spain to their familiar place on the winner's rostrum, questions remain about his best starting line-up ahead of Euro 2016.
Julen Lopetegui's side are in third place in the standings with 50 points after 28 games while Betis were left in 12th on 33.
Premier League-based trio Diego Costa, Juan Mata and Santi Cazorla were among a high-profile list of absentees when Spain coach Vicente Del Bosque named his provisional 25-man squad for Euro 2016 on Tuesday. Costa injured his hamstring against Liverpool in Chelsea's penultimate game of the season. Atletico Madrid striker Fernando Torres was also absent from the squad despite his improved form towards the end of the season, as were Arsenal midfielder Cazorla and Valencia forward Paco Alcacer, Spain's top scorer in their qualifying campaign.
Barcelona coach Luis Enrique believes his current squad is the strongest he has ever had and he is very confident of retaining the La Liga and King's Cup titles. The Spanish champions have recruited Andre Gomes, Samuel Umtiti, Lucas Digne and Denis Suarez since the end of last season while Marc Bartra, Thomas Vermaelen, Adriano Correia and Sandro Ramirez have departed. "On paper, this is the best squad that I have had in my three years at Barca," Luis Enrique told the club's website. "We have a squad that has been strengthened brilliantly.
Arsenal right back Hector Bellerin will be in Spain's Euro 2016 squad, the country's football federation said on Tuesday. The 21-year-old Bellerin and the other 18 players named to face South Korea in a friendly in Wals-Siezenheim, Austria on Wednesday, have been guaranteed spots in the European Championship squad. Bellerin was included after Real Madrid right back Dani Carvajal sustained a leg muscle injury in Saturday's Champions League final victory over Atletico Madrid. The Real Madrid and Atletico players in the squad will be named later on Tuesday when Spain coach Vicente del Bosque announces his final list.
German police arrested a man on Friday who is suspected of planting explosives targeting the bus of soccer team Borussia Dortmund last week, the office of the German federal chief prosecutor said.
The match was immediately rescheduled for Wednesday and Monaco ran out 3-2 winners in what turned out to be a pulsating game.
Barcelona's injury crisis deepened on Wednesday after tests confirmed first-choice centre back Javier Mascherano will be out of action for upto 15 days after damaging a thigh muscle in Tuesday's 4-1 La Liga win at home to Real Sociedad.
Luis Suarez played a part in all three of Barcelona's goals in a scrappy 3-1 victory at Granada.
Barcelona fell to a first home defeat in any competition for more than two years
Images from Saturday's La Liga action.
Real were smarting from a surprise 1-1 draw at struggling Elche in their last match and were missing captain Sergio Ramos, who was out with a stomach bug.
Islamist arrested over Dortmund bus attack was IS member in Iraq
Teenager Kylian Mbappe scored twice to give AS Monaco a 3-2 win at Borussia Dortmund on Wednesday in a Champions League quarter-final first-leg match that was postponed following an attack on the home team's bus.
At least one person has been injured by an explosion on the bus taking the Borussia Dortmund soccer team to their UEFA Champions League quarter-final first-leg match against Monaco in Dortmund on Tuesday.
Borussia Dortmund fans put on a show of defiance on Wednesday as they poured into their home stadium for their match against AS Monaco, postponed after an attack on the team bus a day earlier.
Barcelona, Atletico Madrid and Real Madrid resume a nail-biting La Liga title race on Saturday after all notched up victories on Wednesday. Leaders Barcelona, who ended a four-game winless streak by hammering Deportivo La Coruna 8-0 away from home, host struggling Sporting Gijon on Saturday. Atletico battled to a 1-0 win at Athletic Bilbao to stay level on 79 points with Barcelona, who top the table with a superior head-to-head record and host Malaga. Real stayed one point behind their title rivals after beating Villarreal 3-0 and are expected to be without top scorer Cristiano Ronaldo for their visit to struggling neighbours Rayo Vallecano. The Portuguese forward was unable to finish the game against Villarreal after suffering cramp in stoppage time but eased concerns he had suffered a serious injury.
In a statement, the federal chief prosecutor said the 28-year old man, a dual German and Russian national identified as Sergei V., had bought options on Borussia Dortmund's stock before the attack.
Cesc Fabregas struck the winner as an experimental Spain side came from behind to beat Costa Rica 2-1.
News of all that's transpired on and off the football field
European champions Real Madrid head to rampaging Borussia Dortmund for their Champions League Group F game on Tuesday in a frazzled state with their buoyant start to the season having been punctured by successive La Liga draws.
'Until I was on the pitch in the second half, I didn't think about football'
A man of Islamist background has been detained by German investigators probing blasts against a bus carrying players of Borussia Dortmund soccer club, the federal public prosecutor's office said on Wednesday.
France substitute Kylian Mbappe engineered two late goals to rescue a 2-2 draw against Iceland and spare the blushes of the world champions in their friendly.
Images from the football matches played across Europe on Sunday
News of all that's transpired on and off the football field
Here are five talking points from the weekend's action:
The South American trio of Lionel Messi, Neymar and Luis Suarez reached a scorching 108 goals for the season following the La Liga leaders' 8-0 destruction of Cordoba on Saturday but the team's defence is yet to dispel doubts
Barcelona dropped their first points of the La Liga season as their star-studded forward line misfired in a 0-0 draw away to Malaga on Wednesday.
Zlatan Ibrahimovic is racing to be fit for Sweden's Euro 2016 qualifiers against Russia and Liechtenstein in Stockholm, but won't risk playing with pain-killing injections.
News of all that's transpired on and off the football field.
Lionel Messi scored one penalty and missed another as his double helped Barcelona sweep Levante aside in the second half in a 4-1 victory on Sunday to maintain their perfect La Liga start.