Rose leads by one stroke
Alexander-Arnold won it in added time when he blasted home from the edge of the area.
Earlier on Friday, Wolves defeated Fulham 1-0 at Craven Cottage.
Bayern held
Berlin, Germany - Bayern Munich were held to a 1-1 home draw by Union Berlin in the Bundesliga on Saturday, three days before their crunch Champions League return-leg at Paris Saint Germain.
Teenager Jamal Musiala beat three defenders to give injury-hit Bayern the lead midway through the first half only for Marcus Ingvartsen to equalise for Union four minutes from time. In Paris on Tuesday, European champions Bayern need to overturn a 3-2 first-leg defeat.
OTHER RESULTS:
Saturday: Hertha Berlin 2 Borussia Moenchengladbach 2, Eintracht Frankfurt 4
VfL Wolfsburg 3.
Augusta, US - Justin Rose squandered a four-shot advantage, then birdied three of the last six holes to seize a one-shot lead after Friday's second round of the 85th Masters.
The 40 year old Englishman overcame a nightmare start to fire a level par 72 and stand on seven-under 137 after 36 holes at Augusta National. "Today, ultimately, was a fairly good result in the end," Rose said. "To be honest, I felt comfortable and fairly confident all day."
Rose, twice a Masters runnerup, fired a 65 on Thursday to lead by four, matching the largest 18-hole Masters edge since 1941.
But the reigning Olympic champion began on Friday with four bogeys in his first seven holes, briefly losing the lead before a sparkling late fightback restored him to the top.
Will Zalatoris, who could become the first Masters debutant winner since Fuzzy Zoeller in 1979, and Brian Harman shared second on 138. Zalatoris birdied the last three holes to shoot 68 and likely put himself in Saturday's last group, while Harman birdied 17 and 18 to shoot 69.
Three-time major winner Jordan Spieth shared third on 139 with Australian Marc Leishman.
A pack three back on 140 included second-ranked Justin Thomas, fellow Americans Tony Finau and Cameron Champ, Austrian Bernd Wiesberger, Japan's Hideki Matsuyama and South Korean Kim Si-woo.
Reigning US Open champion Bryson DeChambeau birdied three of the last four holes to stand on 143, finally finding form with his long-driving style.
Top-ranked defending champion Johnson made bogeys on three of the last four holes to finish on 149 and miss the cut, which came at three-over 147 and left 54 players for the weekend. Also missing the cut were four-time major winners Brooks Koepka and Rory McIlroy and England's Lee Westwood.
American Matthew Wolff was disqualified for returning an incorrect scorecard.