Whats going on here? *help*

This is a 100% crop (no pp) from my 70-200mm non-is.

I took about 100 shots and most of them had this soft CA blur along the white part of the players jerseys.

Any input is appreciated.

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Jack
Canon 5D
BG-E4 Grip, EF 50mm f/1.4, EF 16-35mm f/2.8L, EF 24-70mm f/2.8L, EF 135mm f/1.2L, EF 70-200 f/2.8L, EF-S 10-22, EF 300mm f/4L, SpeedLite 580exII, Lowepro Computrekker AW, Lowepro Slinghot 300 AW

Bob
Quality of Light, Photo Tool ver 2.0
Canon Rebel XTi; EF-S 10-22mm f/3.5-f/5.6 USM; EF-S 18-55 mm f/3.5-f/5.6; EF 28-135mm f/3.5-5.6 IS USM; EF 50mm f/1.4 USM; Canon Powershot G5; Canon AE1(2); Leica R4s; Battery Grip BG-E3; Pentax Digital Spotmeter with Zone VI Mod & Calibration.