In his professional debut he fought Julius Veight, a veteran who had a considerable experience advantage over the rookie boxer, with a record of 10 wins and 20 losses.
The fight was held at Ridgewood Grove, Brooklyn, New York, and ended with Pastor outscoring Veight to win a six round points decision.
[1] Sykes became disinterested in fighting and leapt out of the ring in round six, quitting and officially giving Pastor his second knockout win.
On August 1, 1936, Pastor fought a boxer named Unknown Winston, at the Walnut Beach Stadium in Milford, Connecticut.
The magazine later corrected that information in its next issue, clarifying that it was Pastor, not Poster, who faced Winston and that the fight had been held on August 1.
Pastor won the regional belt when he dropped Impelletiere twice before stopping him in round seven, on December 18, 1936 at the Madison Square Garden.
Despite taking a beating, Pastor was not floored by the young contender and he lasted the ten round distance, losing by unanimous decision.
After that fight, Pastor made his West Coast debut on May 28 when he met the undefeated 12-0 Bob Nestell at the Wrigley Field in Los Angeles, California.
In his next fight, Pastor lost to the 28-4-3 Nathan Mann by unanimous 10 round decision at the Madison Square Garden, on November 26, 1937.
Pastor knocked out the 24-6-1 Chuck Crowell in the first round and then faced Al McCoy, a hard-punching fighter who had once been recognized as world Light-Heavyweight champion by the Montreal Athletic Commission.
After wins over Big Bob Brackey and Mickey Duggan, Pastor fought with the 36-4 contender Gus Dorazio, at the Arena in Philadelphia, Pennsylvania, on December 12, losing by a split decision.
Louis had already established himself as a dominant world heavyweight champion by the time he faced Pastor for the second time, having won the title from James J. Braddock and successfully defended it with a fifteen round unanimous decision over Tommy Farr, and knockouts of Nathan Mann in the third, Harry Thomas in the fifth, Max Schmeling (in a rematch), John Henry Lewis and Jack Roper (the latter three in the first round) and Tony Galento in the fourth.
Pastor returned to the boxing ring on December 15 of that year to face the 42-5-2 Buddy Scott at Dallas, Texas, winning the fight by a ten round decision.
He then took six months off before returning on June 28, 1940 to fight the 20-12-5 Charlie Eagle at the Broadway Auditorium in Buffalo, New York, outpointing him, over ten rounds.
Billy Conn was the National Boxing Association and New York State Athletic Commission's world light heavyweight champion when Pastor faced him on September 6, 1940, in a highly anticipated bout fought at the Madison Square Garden.
During a visit to Arizona in 1992 as part of the 1992 United States Presidential campaign, Henry Cisneros, a confessed boxing fan, mistakenly introduced Ed Pastor as "Bob" to a donation-dinner crowd.