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Frequently asked
Is Rob Donaldson (@robdfb) a profitable MLB capper?
On tracked picks, no. Across 219 graded MLB picks since May 2026, Rob Donaldson (@robdfb) is 88-125-6 for -22.7u units (-10.4% ROI, 41% win rate) at the odds and stakes they posted. The full pick history is on their profile page so you can see the wins and losses yourself.
What is Rob Donaldson (@robdfb)'s record on TailSlips?
Rob Donaldson (@robdfb)'s lifetime record on TailSlips is 88-125-6 (41% win rate) across 219 graded MLB picks, tracked since May 2026. The record reflects every public pick they posted that met TailSlips's grading criteria, win or lose.
What is Rob Donaldson (@robdfb)'s ROI on tracked MLB picks?
Rob Donaldson (@robdfb)'s lifetime ROI on tracked MLB picks is -10.4%, equivalent to -22.7u units of profit on 219 graded picks. ROI is calculated against the units actually staked at the odds posted at tweet time, not against an idealized flat-stake model.
How are Rob Donaldson (@robdfb)'s picks graded?
Every public MLB pick Rob Donaldson (@robdfb) posts on Twitter is captured at tweet time, locked at the odds and unit stake they posted, and graded against the actual final outcome of the game. Picks behind paywalls, edited or deleted before game start, or tied to postponed games are not graded as wins or losses. Every tracked account on TailSlips is graded by the same rules.
When did TailSlips start tracking Rob Donaldson (@robdfb)?
TailSlips has tracked Rob Donaldson (@robdfb) since May 2026. Every public pick posted since then is in the graded record on their profile.
Should I tail Rob Donaldson (@robdfb)?
TailSlips does not give betting advice. We track and grade public picks so you can decide based on a verified record instead of a claimed one. Rob Donaldson (@robdfb)'s full graded history is on their profile page, including the picks they did not win. Use it to inform your own decisions and bet responsibly.
How this record is calculated
This page reflects every publicly posted pick from @robdfb that declared a side, line where applicable, odds taken, and unit stake. Picks without those details are not gradeable and are not shown. Moneylines without posted odds are graded at the Pinnacle close; spreads and totals default to -110. Player props without odds count toward win rate but not units profit.
Full rules at methodology. If you're @robdfb and you spot a genuine misattribution, email corrections@tailslips.com.