Exequiel Palacios scored in the fourth minute of injury time to earn Bundesliga leaders Bayer Leverkusen a 1-0 win at Augsburg on Saturday, keeping them four points clear of reigning champions Bayern Munich, while Jadon Sancho created a goal on his Borussia Dortmund return.
Bayern's 3-0 home victory over Hoffenheim on Friday turned up the heat on Leverkusen. The visitors looked set to drop points for just the fourth time this season, but Argentinian World Cup winner Palacios controlled Alex Grimaldo's cross and fired past home goalkeeper Finn Dahmen with only a minute of added time remaining.
The goal may prove crucial in the title race as Leverkusen restored their lead atop the table, with second-placed Bayern having a game in hand.
An "emotional" Alonso admitted: "I jumped a little (when the goal went in)... Our boys had belief to keep going until the end. "The goal wasn't lucky, it was a reward for our good work in the game.