They'd have looked almost identical if they weighed in for a welterweight fight or a light-welterweight fight. What you call "thicker" I would describe as the difference in weight-making between the two eras. It would be almost impossible for Walker to get down to these lower weights consistently in 1920, but it would be very hard for Duran also. I think they were basically the same size, yes.
If Duran and Walker had a fight, at no time in discussing the fight would you use the phrase "Walker looked the bigger man in the ring" and that's at middleweight, too.
I’ll go Marvin by decision … he finds the Bulldog a bit too much to handle on the inside so boxes from the outside as a southpaw from round 6 or so on and wins by a comfortable but still very competitive margin. Walker tracks Marvin down afterward in the parking lot and challenges him to keep at it til there’s a ‘real’ winner and just as they’re about to throw hands, Harry Greb saunters up. Marvin looks at Greb, Mickey looks at Greb. Then they look back to each other and shrug … and together they beat the snot out of Greb in a two-on-one, they all shake hands and go grab a beer together.
Walker has some big names on his win record...Tiger Flowers, Paul Berlenbach, Levinsky, Uzcuden. Also lost to Greb, Schmeling (!), Tommy Laughren, Rosenbloom. Hagler still wins a UD. Too slick plus a shifty lefty.
I have Hagler #3 and Walker #15 at MW based solely on fights in and around that weight. I don't factor predicted H2H in fights that didn't happen or cross era fantasty fights into my rankings. My P4P rankings are a draft and ordered in groups beyond #28. Walker is #12 and Hagler will be somewhere between #29 and 35. In short, imo, Hagler was the greater MW based purely on fights contested there, whilst Walker was the greater boxer based on all of their respective career contests. The point I was trying to make to the poster who had cited Walker's competitiveness with elite HWs as indication he should be favoured over Hagler at MW, was that whilst that logic would usually be sound, Walker's career just didn't go like that. Would I expect a fighter who lost to WW Dave Shade to draw with future HW champion Jack Sharkey? No. Would I expect a boxer who beat Uzcudun and Berlenbach to have lost to Latzo and Joe Dundee? No. Walker did a lot better at LHW/HW then he should have done based on what he did at WW/MW and vice versa.
Considering the two-on-one Greb should drink free that night and let Marvin and Mickey pick up the tab.
Mickey Walker UD 10-5 The Hagler bias on this site is unbelievable. Walker fought and beat bigger men and his resume is far greater.
First reaction to this matchup is of course Hagler wins a decision, but when you consider Marvins fights with Vito Antuofermo and Duran there could be a window of opportunity for the Toy bulldog in the later rounds. He can match Haglers strength so this could be a brutal affair in rounds 10-15.
Mickey was a ferocious fighter on the inside, but Hagler wasn't a slouch there either. Hagler was winning against Duran on the inside, and quite definitively too. What kept Duran in the game is that he was a Great boxer as well and outboxed Hagler on the outside when possible. I haven't seen enough from Mickey to be convinced that he could do the same to Hagler, who himself was a very underrated boxer.