Mariners Manager Brings In The Wrong Pitcher After Mixing Up Hand Signals, His Team Loses On A Walk-Off

The Seattle Mariners blew a 7-2 nine-inning lead against the Boston Red Sox last night in one of the most embarrassing blunders of the year.

After the Red Sox scored a run to make it 7-3, Mariners manager Robby Thompson walked to the mound to make a pitching change.

He wanted to bring in right-hander Yoervis Molina, but on his way to the mound he tapped his left arm — signaling for left-hander Oliver Perez. Thompson argued with the umpires, but he was ultimately forced to leave Perez in the game.

Perez went on to give up two runs, and the Red Sox eventually won 8-7 on a walk-off single by Daniel Nava.

Here's the sequence.

Molina had to job all the way back to the bullpen in shame: