Through four innings, 21-year-old Julio Teheran looked ready for the big leagues.
After a disastrous fifth inning spoiled his day, Teheran promised he'll be better prepared for his next opportunity with the Braves.
Teheran and Livan Hernandez couldn't hold an early four-run lead as the Toronto Blue Jays scored six runs in the fifth and beat Atlanta 12-4 on Sunday.
Teheran, the Braves' top prospect, was called up from Triple-A Gwinnett to fill in for Tim Hudson, who has bone spurs in his left ankle. Relying on his curveball, Teheran allowed only one hit, Edwin Encarnacion's broken-bat single, through four scoreless innings before wilting in the fifth.
''I got a little bit too excited because I wanted to win the game,'' Teheran said. ''I got a little out of control.
''I'll try to be better for the next one.''
Teheran gave up four hits and four runs in 4 1-3 innings before returning to Gwinnett, where he is 5-2 with a 3....